CN116967374A - Device and method for machining an anchor at the end of a rod - Google Patents

Abstract

The invention relates to the technical field of upsetting, in particular to equipment and a method for machining an anchoring part at the end part of a rod piece, wherein the equipment comprises the following steps: the device comprises a feeding device for discharging rod pieces from a discharging hole one by one, a conveying device arranged at the discharging hole and used for receiving the rod pieces and enabling the rod pieces to move along a conveying direction, a heating device arranged at the side of the conveying direction and used for heating the end parts of the rod pieces and enabling the end parts of the rod pieces to reach a temperature capable of undergoing plastic deformation, a conveying device arranged at the tail end of the conveying direction and used for receiving the rod pieces and enabling the rod pieces to move to a grabbing station, a grabbing device arranged in the grabbing station and used for grabbing the rod pieces located in the grabbing station and enabling the rod pieces to enter an upsetting station, and an upsetting device arranged in the upsetting station and used for upsetting the heated end parts of the rod pieces to form the anchoring portions. The invention can realize continuous automatic processing of a plurality of rod pieces.

Description

Device and method for machining an anchor at the end of a rod

Technical Field

The invention relates to the technical field of upsetting, in particular to equipment and a method for machining an anchoring part at the end part of a rod piece.

Background

At present, a reinforcing bar for a reinforced concrete structure is formed by bending an end portion thereof into a U-shape, an L-shape, or the like as an anchor portion, and fixing the reinforcing bar to other reinforcing bars and concrete by the anchor portion. However, in order to increase the fixing strength to concrete, it is necessary to enlarge the U-shaped or L-shaped portion of the reinforcing bar whose end is bent into a U-shape or L-shape, and therefore, the volume is increased, it is difficult to perform the construction in a narrow place, and the bending process of the steel end is difficult and the cost is high.

In order to solve the above-mentioned problems, a reinforcing bar with an anchor portion has been proposed, in which an end portion of the reinforcing bar is subjected to high Wen Duiduan processing to form an enlarged diameter portion having a shape like a head portion of a nail, and this is used as the anchor portion. The expanded diameter portion of the circular plate shape can secure a large working area even if the outer dimension is reduced as compared with the anchoring portion bent into a U-shape or an L-shape, and thus the fixing strength with respect to other reinforcing bars or concrete can be increased.

In order to realize the processing of the expanded diameter portion of the circular plate shape at the end of the steel bar, the Chinese patent (CN 106077367B) discloses a steel bar end heating upsetting device which can clamp the steel bar effectively, so that the steel bar can be positioned accurately in the upsetting process, the upsetting quality of the steel bar end is ensured, and the working efficiency of upsetting the steel bar end is improved effectively. However, the device needs the manual work to put into the device alone with every reinforcing bar to after processing is accomplished, the manual work takes out the product after the processing, can't realize the continuous automatic processing of many reinforcing bars, degree of automation is not high, influences production efficiency.

Disclosure of Invention

The invention aims to provide equipment and a method for processing an anchoring part at the end part of a rod piece, which can realize continuous automatic processing of a plurality of rod pieces, improve the automation degree of the equipment and improve the production efficiency.

To achieve the above object, in a first aspect, there is provided an apparatus for processing an anchor at an end of a rod, comprising: the device comprises a feeding device provided with a discharge hole and used for discharging rod pieces from the discharge hole one by one, a conveying device arranged at the discharge hole and used for receiving the rod pieces and enabling the rod pieces to move along a conveying direction, a heating device arranged at the side of the conveying direction and used for heating the end parts of the rod pieces and enabling the end parts of the rod pieces to reach a temperature capable of undergoing plastic deformation, a conveying device arranged at the tail end of the conveying direction and used for receiving the rod pieces and enabling the rod pieces to move to a grabbing station, a grabbing device arranged in the grabbing station and used for grabbing the rod pieces located in the grabbing station and enabling the rod pieces to enter an upsetting station, and an upsetting device arranged in the upsetting station and used for upsetting the heated end parts of the rod pieces to form the anchoring portions.

In certain embodiments, the feeding device comprises: the storage box for storing the member bar and set up in the storage box, be used for making the member bar with stepwise root by root to the cascaded feed mechanism of discharge gate removal, cascaded feed mechanism includes: the fixed ladder and the movable ladder which is arranged at the side of the fixed ladder and can move up and down under the drive of the feeding driving assembly are provided with a height limiting channel at one side of the fixed ladder at the stage closest to the discharge hole, and the height of the height limiting channel is configured to allow only one rod piece to pass through in the height direction.

In some embodiments, the conveying device comprises a conveying belt and a rotary driving mechanism for driving the conveying belt to rotate, the conveying direction is defined by the rotary direction of the conveying belt, a plurality of rod bearing seats are arranged on the surface of the conveying belt, each rod bearing seat is provided with a rod inlet and outlet for a rod to enter and leave and a rod bearing groove communicated with the rod inlet and outlet and used for accommodating the rod, the conveying device further comprises a push rod arranged in the direction opposite to the heating device, a push rod driving assembly used for driving the push rod to move along the direction perpendicular to the conveying direction is connected to the push rod, and an alignment plate used for aligning the end part of the rod is arranged in the direction opposite to the push rod.

In some embodiments, the heating device comprises an induction heating furnace and at least two heating plates serving as output ends of the induction heating furnace, a heating area is formed between the at least two heating plates, and one side of the conveying device penetrates through the heating area.

In some embodiments, the conveying device comprises a plurality of rod supporting rollers arranged on a straight line, a rod accommodating groove for accommodating the rod is formed above the rod supporting rollers, the rod supporting rollers can rotate so as to drive the rod to move along the axial direction, and a limit rod is arranged above the rod supporting rollers and is used for being abutted with the rod after the axial movement.

In some embodiments, the conveyor is capable of entering or exiting the gripping station, the conveyor is capable of receiving the rod from the conveyor when the conveyor is in the gripping station, the gripping station is in communication with the upsetting station below when the conveyor is exiting the gripping station, and the gripping device is capable of moving downwardly to bring the rod into the upsetting station.

In some embodiments, the conveying device comprises a plurality of rod supporting rollers arranged on a straight line, a rod accommodating groove for accommodating the rods is formed above the rod supporting rollers, the rod supporting rollers are arranged on a moving plate, and a moving driving assembly is connected to the moving plate and is configured to drive the moving plate to move in the horizontal direction so that the rod supporting rollers enter or leave the grabbing station.

In some embodiments, the gripping device comprises a gripper, a first gripping driving component for driving the gripper to move up and down to enable the rod piece located at the gripping station to enter the upsetting station, and a second gripping driving component for driving the gripper to move along the axial direction of the rod piece and enabling the rod piece located in the upsetting station to be connected to the upsetting device, the gripper comprises a first gripping arm and a second gripping arm which are oppositely arranged, a gripping space for gripping the rod piece is formed between the first gripping arm and the second gripping arm, a bending part is arranged in the gripping space, the bending part enables the gripping space to bend in the vertical direction, and the bending part is used for providing supporting force for the rod piece in the gripping space from below.

In some embodiments, the upsetting apparatus comprises an upsetting die having a forming cavity matching the shape of the anchoring part, a clamping mechanism arranged at the periphery of the upsetting die and used for fixing the upsetting die, a pushing mechanism arranged at one end of the upsetting die and coaxial with the forming cavity, and a punching mechanism arranged at the other end of the upsetting die and coaxial with the forming cavity, wherein the pushing mechanism comprises a pushing rod capable of axially moving along the forming cavity and used for applying axial force to the unheated end of the rod piece, and the punching mechanism comprises a punching die capable of axially moving along the forming cavity and used for applying axial force to the heated end of the rod piece and plastically deforming the heated end of the rod piece;

the stamping die comprises a first stamping die with a first groove on the end face, a second stamping die with a second groove on the end face and a third stamping die with a plane on the end face, wherein the depth of the first groove is larger than that of the second groove, the aperture of the first groove is smaller than that of the second groove, and the first stamping die, the second stamping die and the third stamping die are used for upsetting the rod piece in stages in sequence;

The first stamping die, the second stamping die and the third stamping die are arranged on the die mounting plate, a die driving assembly used for driving the die mounting plate to move is arranged on the die mounting plate, and the die driving assembly enables the first stamping die, the second stamping die and the third stamping die to be sequentially coaxially arranged with the forming cavity.

In a second aspect, there is provided a method of machining an anchor at a rod end, using the apparatus for machining an anchor at a rod end described above, comprising the steps of:

the feeding device discharges the rod pieces from the discharge hole one by one,

the conveying device receives the rod pieces discharged from the discharge hole and independently arranges the rod pieces, the rod pieces move along the conveying direction, the end parts of the rod pieces pass through the heating device in the middle, the heating device heats the rod pieces to the temperature capable of generating plastic deformation,

the rod piece enters the conveying device and is moved to the grabbing station by the conveying device,

the grabbing device grabs the rod piece positioned in the grabbing station and enables the rod piece to enter the upsetting station,

the upsetting means upsets the heated end of the rod and forms the anchor.

Compared with the prior art, the invention has the beneficial effects that: the feeding device enables rod pieces to be discharged from the discharge hole one by one, is favorable for the conveying device to receive the rod pieces, and independently arranges and limits each rod piece, so that the end part of each rod piece is ensured to have enough length to be heated by the heating device, the conveying device can adjust the position of the rod piece, the rod piece is accurately positioned in the grabbing station, the grabbing device is convenient to grab and put the rod piece into the upsetting device, the upsetting device can upset the heated end part of the rod piece to form an anchoring part, and therefore automatic processing of the rod piece is realized.

Drawings

Fig. 1 a is a schematic diagram of an initial state of a rod according to an embodiment of the present invention, and fig. 1 b is a schematic diagram of an anchoring portion machined at one end of the rod according to an embodiment of the present invention.

Fig. 2 is a schematic view of one view of an apparatus for machining anchors at rod ends according to an embodiment of the present invention.

Fig. 3 is a schematic view of another view of an apparatus for machining anchors at rod ends according to an embodiment of the present invention.

Fig. 4 is a perspective view of the feeding device provided by the embodiment of the invention after the right baffle is removed.

Fig. 5 is a side view of the feeding device provided by the embodiment of the invention after the right baffle is removed.

Fig. 6 is a perspective view of a part of a feeding device and a conveying device according to an embodiment of the present invention.

Fig. 7 is a side view of a part of a feeding device and a conveying device according to an embodiment of the present invention.

Fig. 8 is a perspective view of a portion of a conveyor, and a gripper according to an embodiment of the present invention.

Fig. 9 is a side view of a portion of a conveyor, a transfer device, and a gripping device provided in an embodiment of the present invention.

Fig. 10 is a perspective view of a conveying device according to an embodiment of the present invention.

FIG. 11 is a schematic view of an upsetting apparatus according to an embodiment of the present invention.

Fig. 12 is a top view of an upsetting apparatus provided in an embodiment of the present invention.

Fig. 13 is an exploded view of an upsetting apparatus according to an embodiment of the present invention after removal of a stent.

Fig. 14 is a schematic view of a clamping mechanism according to an embodiment of the present invention.

Fig. 15 is a schematic view of three different stamping dies according to an embodiment of the present invention.

Fig. 16 is a cross-sectional view of a first stamping die and a second stamping die according to an embodiment of the present invention.

Fig. 17 is a schematic diagram of a discharging device according to an embodiment of the present invention.

Detailed Description

The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present invention are shown.

Fig. 1 a shows a schematic view of an initial state of the rod 8, and fig. 1 b shows a schematic view of an anchoring portion 81 formed at one end of the rod 8, the anchoring portion 81 having a circular plate-shaped outer shape and being integrally formed on the rod 8, the anchoring portion 81 having a diameter larger than that of the rod 8.

In order to achieve the processing of the anchoring portion 81, upsetting is generally adopted, specifically: firstly, the end part of the rod 8, which needs to process the anchoring part 81, is heated to a temperature at which plastic deformation can occur, then the rod 8 is fixed, an upsetting die 62 with a forming cavity 622 matched with the shape of the anchoring part 81 is arranged at the end part of the rod 8, then axial force towards the inside of the rod 8 is applied to the two ends of the rod 8 along the axial direction of the rod 8, so that the end part of the rod 8, which needs to process the anchoring part 81, is axially compressed, plastic deformation is caused, the deformed part fills the forming cavity 622 of the upsetting die 62, and finally the anchoring part 81 is formed at the end part of the rod 8.

The rod 8 is usually a steel bar, especially a steel bar for a concrete structure, for example, a steel bar for connection to an embedded part, but not limited thereto, and any rod 8 made of metal or alloy is included.

In order to realize the automatic processing of the rod member 8 with the anchoring portion 81, the embodiment of the invention provides equipment for processing the anchoring portion at the end of the rod member, which can continuously and automatically process a plurality of rod members 8 and improve the production efficiency.

Fig. 2 and 3 show schematic views of an apparatus for machining anchors at the ends of a rod, respectively, in two different views. Referring to fig. 2 and 3, the apparatus for processing an anchor portion at an end of a rod includes a loading device 1 for discharging the rod 8 one by one, a conveying device 2 provided at a discharge port 13 of the loading device 1 and conveying the rod 8 after being arranged, a heating device 3 provided at a side of a conveying direction of the conveying device 2 for heating an end of the rod 8 to a temperature at which plastic deformation can occur, a conveying device 4 provided at an end of the conveying device 2 in the conveying direction for receiving the rod 8 and conveying the rod 8 to a gripping station, a gripping device 5 provided above the gripping station for gripping the rod 8 located in the gripping station and causing the rod 8 to enter an upsetting station, an upsetting device 6 provided in the upsetting station for upsetting the heated end of the rod 8, and a blanking port 611 provided below the upsetting device 6. In addition, the equipment also comprises necessary components such as a distribution box, a hydraulic station compressed air source, a sensor and the like, and the details are not repeated herein.

The device is used in a general manner as follows,

firstly, a plurality of rod pieces 8 which are approximately parallel to each other are put into a feeding device 1 in a posture that the axes extend in the horizontal direction, the feeding device 1 sorts the rod pieces 8, the rod pieces 8 move towards a discharge hole 13 of the feeding device 1, and the discharge hole 13 of the feeding device 1 ensures that only one rod piece 8 is discharged from the discharge hole 13 at a time;

then, the rod pieces 8 discharged from the discharge port 13 of the feeding device 1 enter the conveying device 2, the conveying device 2 individually arranges and limits each rod piece 8 so that the position of each rod piece 8 cannot deviate in the conveying process, the conveying direction of the conveying device 2 is along the axial direction perpendicular to the rod pieces 8 in the horizontal direction, one end of each rod piece 8 passes through the heating device 3 for a period of time in the conveying process due to the fact that the heating device 3 is arranged at the side of the conveying direction, and therefore, the rod pieces 8 are heated to the temperature capable of undergoing plastic deformation, and finally, the rod pieces 8 are discharged from the tail end of the conveying device 2 one by one;

then, the rod piece 8 enters the conveying device 4, and the conveying device 4 drives the rod piece 8 to move in the axial direction so that the rod piece 8 moves to the grabbing station;

then, the grabbing device 5 moves downwards to grab the rod piece 8 and drive the rod piece 8 to move so that the rod piece 8 enters an upsetting station;

Then, the upsetting means 6 upsets the heated end of the rod 8, thereby forming an anchor 81 at the end of the rod 8;

finally, the rod piece 8 enters the blanking port 611 downwards, so that discharging is realized.

Therefore, the equipment provided by the invention can automatically feed, heat, convey, upset and discharge the rod piece 8, realize automatic processing and improve the production efficiency.

The structure and working principle of each device are described in turn in the machine direction after the rod 8 enters the apparatus.

Fig. 4 and 5 show a perspective view and a side view, respectively, of the loading device 1 with the right baffle removed. Referring to fig. 4 and 5, the feeding device 1 of the present embodiment is a stepped feeding structure, and includes a storage tank 11 for storing rod pieces 8 and a stepped feeding mechanism 12 disposed inside the storage tank 11, where the storage tank 11 has a storage cavity and a discharge port 13 communicating with the storage cavity, the discharge port 13 is located at the top of the storage cavity, and the stepped feeding mechanism 12 is connected between the storage cavity and the discharge port 13 and is used for lifting the rod pieces 8 in the storage cavity up to the discharge port 13.

As shown in fig. 4 and 5, the storage tank 11 includes a storage support plate 111 disposed obliquely, an upper end of the storage support plate 111 is located at a left end of the storage tank 11, a lower end of the storage support plate 111 is located inside the storage tank 11, a bottom of the storage cavity is defined by an upper surface of the storage support plate 111, and the storage support plate 111 is used for supporting the rod 8 located in the storage cavity. When the axis of the rod 8 is put into the magazine 11 in a posture extending left and right in the horizontal direction, the rod 8 rolls down along the upper surface of the obliquely extending magazine support plate 111 until it is positioned at the lower end of the magazine support plate 111.

As shown in fig. 4 and 5, a first length limiting plate 112 and a second length limiting plate 113 are vertically arranged above the storage supporting plate 111, the first length limiting plate 112 and the second length limiting plate 113 respectively define a left side surface and a right side surface of the storage cavity, and a space between the first length limiting plate 112 and the second length limiting plate 113 defines a maximum length of the rod 8 capable of being placed into the storage cavity.

In this embodiment, the first length limiting plate 112 is a left baffle fixedly disposed on the left side of the storage tank 11, the second length limiting plate 113 is a movable plate disposed between the left baffle and the right baffle (not shown) of the storage tank 11 and capable of moving left and right, and the width (the length in the left-right direction in fig. 4) of the storage cavity can be adjusted by adjusting the left-right position of the second length limiting plate 113, so that the width of the storage cavity can be adapted to the rod members 8 with different lengths.

As shown in fig. 4 and 5, in order to avoid that a large number of rods 8 are stacked at the lower end of the storage support plate 111 at the same time, so that the rods 8 cannot enter the stepped feeding mechanism 12 to cause congestion and blocking, a baffle 114 may be disposed above the lower end of the storage support plate 111, and a space is formed between the lower end of the baffle 114 and the upper surface of the storage support plate 111, so that a channel through which the rods 8 pass is formed, and the height of the channel is reasonably set to ensure that only a small number of rods 8 pass through the channel at a time, so that the rods 8 can be fed by the stepped feeding device 1 at a later time.

As shown in fig. 4 and 5, the above-mentioned step-type feeding mechanism 12 is provided at the lower end of the storage support plate 111, the step-type feeding mechanism 12 includes a fixed step 121, a movable step 122 is provided at one side of the fixed step 121 and capable of moving up and down, and when the stroke of the movable step 122 needs to ensure that the movable step 122 moves up, the top surface of the movable step 122 can exceed the top surface of the fixed step 121 located at the upper stage of the movable step 122, so that the rod 8 located at the top surface of the movable step 122 can move to the top surface of the fixed step 121 at the lower stage, thereby realizing the step-type movement of the rod 8. In this embodiment, the upper stage means a stage located in a direction in which a specified step approaches the discharge port 13, and the lower stage means a stage located in a direction in which a specified step is away from the discharge port 13.

As shown in fig. 4 and 5, in the present embodiment, the left and right ends of the fixing step 121 are fixedly connected to the left and right baffles of the storage tank 11, respectively. The fixed ladder 121 extends generally in the longitudinal direction but has an angle with the vertical direction, i.e. the fixed ladder 121 is arranged obliquely with the lower end being close to the storage chamber and the upper end being close to the discharge opening 13. The top surface of fixed ladder 121 is used for interim support member 8, and the top surface also inclines to set up, and the incline direction is that the upper end is close to the storage chamber, and the lower extreme is close to discharge gate 13, from this, when member 8 is located the top surface of fixed ladder 121, member 8 is relatively close to discharge gate 13, avoids member 8 landing back to the left in the storage chamber.

As shown in fig. 4 and 5, in this embodiment, four fixing steps 121 are parallel to each other, and gradually approach to the position where the discharge port 13 is located, and the four fixing steps 121 are defined as follows in order from far to in with the position of the discharge port 13: the first, second, third and fourth fixed steps 121a, 121b, 121c and 121d have the same height difference between the first, second and third fixed steps 121a, 121b and 121c, the upper end of the third and fourth fixed steps 121c and 121d are connected by the lateral connecting member 14, and a height limiting plate 15 is provided above the lateral connecting member 14, a height difference between the height limiting plate 15 and the lateral connecting member 14 forms a height limiting passage, which is larger than the diameter of one rod 8 but smaller than twice the diameter of the rod 8. Through setting up the height limiting plate 15 for only one member 8 gets into the limit for height passageway once, and then ensure that only one member 8 can discharge from the fixed ladder section 121d of fourth once, thereby realized that last time only one member 8 can discharge from the discharge gate 13 of loading attachment 1. In this embodiment, the discharge port 13 of the feeding device 1 is the top surface of the fourth fixed step 121 d.

As shown in fig. 4 and 5, in the present embodiment, the movable step 122 includes a first movable step 122a and a second movable step 122b, wherein the second movable step 122b refers to the one closest to the discharge port 13, that is, the second movable step 122b is disposed between the lateral connecting member 14 and the fourth fixed step 121d, and the remaining movable steps can be regarded as the first movable step 122a, that is, the first movable step 122a is disposed on the same side of the first fixed step 121, the second fixed step 121b, and the third fixed step 121 c.

As shown in fig. 4 and 5, in this embodiment, three first movable steps 122a are respectively and correspondingly disposed on the left sides of the first fixed steps 121, the second fixed steps 121b and the third fixed steps 121c, and the three first movable steps 122a are fixedly connected with each other through a connecting seat 16 located below, two sides of the connecting seat 16 may be respectively slidably connected with a left baffle and a right baffle of the storage box, the connecting seat 16 is provided with a first feeding driving assembly 123 capable of driving the connecting seat 16 to move up and down, the first feeding driving assembly 123 may adopt components such as a cylinder and a hydraulic cylinder, whose output ends can be linearly displaced, and the first feeding driving assembly 123 is fixedly disposed on the storage box 11. The output end of the first feeding driving assembly 123 has a first position and a second position, when the output end is at the first position, the height of the top surface of the first movable step 122a is lower than or equal to the height of the top surface of the fixed step 121 at the next stage of the first movable step 122a, so that the rod 8 on the fixed step 121 at the next stage can move onto the corresponding first movable step 122; when the output end is at the second position, the height of the top surface of the first movable step 122a is higher than or equal to the height of the top surface of the first stage of fixed step 121 above the first movable step 122a, so that the rod 8 on the top surface of the first movable step 122a can move onto the corresponding fixed step 121. The first feeding driving assembly 123 can continuously reciprocate, so that the rod 8 can be fed in a stepped manner, and finally the rod 8 enters the transverse connecting component 14.

As shown in fig. 4 and 5, a second feeding driving assembly 124 capable of driving the second movable stage 122b to move up and down is disposed at the lower portion of the second movable stage 122b, and the second feeding driving assembly 124 may be a component with an output end capable of being linearly displaced, such as an air cylinder or a hydraulic cylinder, and the second feeding driving assembly 124 is fixedly disposed on the left baffle or the right baffle of the storage tank 11. The output end of the second feeding driving assembly 124 has a first position and a second position, when the output end is in the first position, the height of the top surface of the second movable step 122b is lower than or equal to the height of the lower end of the transverse connecting member 14, so that the rod 8 at the lowest end of the transverse connecting member 14 can enter the top surface of the second movable step 122 b; when the output end is at the second position, the height of the top surface of the second movable step 122b is higher than or equal to the height of the top surface of the fourth fixed step 121d, so that the rod 8 on the top surface of the second movable step 122b can enter the top surface of the fourth fixed step 121 d. The rod pieces 8 can be discharged from the discharge hole 13 one by one through the continuous reciprocating motion of the second feeding driving assembly 124.

Fig. 6 and 7 show a perspective view and a side view, respectively, of the conveying device 2 according to an embodiment of the present invention. Referring to fig. 6 and 7, the conveying device 2 includes a conveying belt 21 and a rotary driving mechanism 22 for driving the conveying belt 21 to rotate, a plurality of rod bearing seats 23 circumferentially arranged around the surface of the conveying belt 21 are provided on the surface of the conveying belt 21, rod inlets and outlets 231 for the rods 8 to enter are provided at ends of the rod bearing seats 23 far away from the surface of the conveying belt 21, rod bearing grooves 232 communicated with the rod inlets and outlets 231 are provided inside the rod bearing seats 23, and the groove width (width in the left-right direction in fig. 7) of the rod bearing grooves 232 is slightly larger than the diameter of the rods 8, for example, the groove width is 1.1 times that between the rods 8, so that after the rods 8 enter the rod bearing grooves 232, the positions are relatively fixed, and large-angle deflection cannot occur in the horizontal direction. The rotary driving mechanism 22 includes a first motor 221 and a first sprocket assembly 222 connected to an output shaft of the first motor 221, and the conveyor belt 21 is disposed on the first sprocket assembly 222, so that the conveyor belt 21 can be driven to rotate when the first motor 221 drives the first sprocket assembly 222 to move.

When the rod members 8 are discharged from the discharge port 13 of the feeding device 1, the rod members can just enter the rod member bearing grooves 232 of one rod member bearing seat 23, so that each rod member 8 is independently placed in a corresponding rod member bearing seat 23 to be conveyed, mutual interference among the rod member 8 is avoided, and the rod member 8 cannot deviate in position in the conveying process due to the action of the rod member bearing grooves 232, so that the end portions of the rod member 8 can be heated conveniently, the end portions of each rod member 8 have enough axial length to be heated by the heating device 3, and the anchor portion 81 can be formed conveniently and smoothly.

As shown in fig. 6 and combined with fig. 3, the side of the conveying device 2 far from the heating device 3 is provided with a push rod 24 for adjusting the axial position of the rod 8 in the rod bearing seat 23, the push rod 24 is provided with a push rod driving assembly 25 for driving the push rod 24 to reciprocate along the axial direction of the rod bearing groove 232, the side of the conveying device 2 near the heating device 3 is provided with an alignment plate 26 opposite to the push rod 24, when the rod 8 moves to a position corresponding to the push rod 24 and the alignment plate 26, the first motor 221 stops rotating, so that the rod 8 temporarily stays at the position, the push rod driving assembly 25 drives the push rod 24 to move towards the position where the rod 8 is located, and pushes the rod 8 to move axially in the rod bearing groove 232, and finally the end of the rod 8 near the alignment plate 26 is abutted against the alignment plate 26, so that the axial position of the rod 8 in the rod bearing groove 232 is adjusted, and the axial position of each rod 8 can meet the requirement of heating of the subsequent heating device 3. The push rod driving assembly 25 may adopt a component with an output end capable of reciprocating rectilinear motion, such as a cylinder.

As shown in fig. 6 and 7, a height limiting plate 27 is provided above the conveyor belt 21, the lower end of the height limiting plate 27 is slightly higher than the rod bearing seat 23, the height of the height limiting plate 27 is reduced as much as possible while ensuring that the rod 8 can smoothly pass below the height limiting plate 27, and the purpose of the height limiting plate 27 is to prevent the rod 8 from falling out of the rod bearing seat 23 due to shake during conveying.

As shown in fig. 2 and 3, the heating device 3 in this embodiment includes an induction heating furnace 31, such as an intermediate frequency furnace, a high frequency furnace, etc., where two heating plates 32 are disposed at an output end of the induction heating furnace 31 and are parallel to each other, and a region between the two heating plates 32 is a heating region, and along with rotation of the conveyor belt 21, at least a part of a position of the rod bearing seat 23, which is close to the heating plate 32, can be penetrated in the heating region, so that the rod 8 in the rod bearing seat 23 must pass through the heating region in a conveying process, so that an end portion of the rod 8 is heated, specifically, needs to be heated to a temperature capable of plastically deforming the end portion of the rod 8, which is generally above 1000 ℃. In order to ensure a good heating effect, the rotation speed of the first motor 221 may be reduced (or even stopped) to increase the time for the rod 8 to pass through the heating area, and/or to increase the length of the heating plate 32 in the conveying direction of the conveyor belt 21 to increase the length of the heating area in the conveying direction.

As shown in fig. 6 and 7, a guide plate 28 is provided at the end of the conveyor belt 21, the upper end of the guide plate 28 is close to the conveyor belt 21, the lower end of the guide plate 28 is close to the conveyor 4, and when the rod 8 moves to the end of the conveyor belt 21, the rod 8 can fall out of the rod inlet/outlet 231, onto the guide plate 28, and roll down into the conveyor 4 along the upper surface of the guide plate 28, since the rod bearing seat 23 will be turned downward.

Fig. 8 and 9 show a perspective view and a side view, respectively, of the guide plate 28, the conveyor 4 and the gripping device 5 provided in an embodiment of the invention. Referring to fig. 8 and 9, the conveying device 4 includes a plurality of rod supporting rollers 41 for receiving the rods 8, the axial directions of the rod supporting rollers 41 are parallel to each other, and the rod supporting rollers 41 are arranged on a straight line, so that rod accommodating grooves 42 for accommodating the rods 8 are formed on the upper surfaces of the rod supporting rollers 41, in fig. 8, the rod accommodating grooves 42 extend in the left-right direction, exactly coincide with the axial directions of the rods 8 rolling from the guide plates 28, and the rods 8 can smoothly enter the rod accommodating grooves 42.

Fig. 10 shows a perspective view of a conveyor 4 according to an embodiment of the invention. Referring to fig. 10, a plurality of rod supporting rollers 41 are connected together through a second sprocket assembly 43, a second motor 44 is disposed on the second sprocket assembly 43, and the second sprocket assembly 43 can drive the plurality of rod supporting rollers 41 to rotate simultaneously under the driving of the second motor 44, so that the rod 8 located in the rod accommodating groove 42 moves along the rotation direction of the rod supporting rollers 41, and the axial adjustment of the position of the rod 8 is realized, so that the rod 8 can be grasped by the subsequent grasping device 5.

As shown in fig. 8, a limit lever 45 is disposed on one side above the lever support roller 41, and the limit lever 45 is used for limiting the lever 8 after moving, specifically, when the lever 8 moves on the lever support roller 41, the left end of the lever 8 abuts against the right end of the limit lever 45, so as to ensure that the position of the lever 8 is in a correct position, which is defined as a gripping station.

As shown in fig. 10, in this embodiment, a plurality of rod supporting rollers 41 are mounted on a moving plate 46, the moving plate 46 can move in a direction perpendicular to the axis of the rod 8 in the horizontal direction, and in fig. 10, the moving plate 46 is configured to move inside and outside, a moving driving assembly 47 for driving the moving plate 46 to implement the above movement is disposed on the moving plate 46, the moving driving assembly 47 is fixedly disposed, and the moving driving assembly 47 can adopt a component with an output end capable of linearly reciprocating, such as an air cylinder, a hydraulic cylinder, or the like. The bar support roller 41 is able to enter or leave the gripping station by the action of the movement drive assembly 47, wherein the direction of departure is in a direction away from the guide plate 28. When the rod supporting roller 41 is positioned at the grabbing station, the rod 8 can enter the rod supporting roller 41 from the guide plate 28, and the grabbing device 5 can grab the rod 8 positioned at the grabbing station; when the rod supporting roller 41 leaves the grabbing station, the rod supporting roller 41 is not blocked below the grabbing device 5, so that the grabbed rod 8 can be moved downwards, and after passing through the conveying device 4, the rod enters the upsetting device 6 below, and the upsetting device 6 is located at the upsetting station.

As shown in fig. 8 and 9, the gripping device 5 includes a gripper 51, a first gripping driving assembly 52 driving the gripper 51 to move up and down, and a second gripping driving assembly 53 driving the gripper 51 to move axially along the rod 8, the gripper 51 including a first gripper arm 511 and a second gripper arm 512, a gripping space 514 being formed between the first gripper arm 511 and the second gripper arm 512. The first clamping arm 511 and the second clamping arm 512 may be disposed at an output end of the clamping jaw cylinder, so as to implement clamping and loosening actions, or as shown in fig. 8, the first clamping arm 511 is a fixed clamping arm, the second clamping arm 512 is a movable clamping arm, the second clamping arm 512 is close to a direction where the guide plate 28 is located, the second clamping arm 512 is a first elastic pressing piece with elasticity, when a lower end of the second clamping arm 512 abuts against an upper surface of the rod member 8, the rod member 8 can be opened, so that the rod member 8 enters the grabbing space 514, and then the second clamping arm 512 clamps the rod member 8 in the grabbing space 514 under the action of the elastic force.

As shown in fig. 9, the surfaces of the first clamping arm 511 and the second clamping arm 512 facing the grabbing space 514 are provided with bending portions 513 with corresponding positions, and the grabbing space 514 does not extend linearly in the vertical direction due to the bending portions 513, so that after entering the grabbing space 514, the rod 8 is not only subjected to the clamping force of the second clamping arm 512, but also to the supporting force provided by the bending portions 513, and the rod 8 is ensured not to drop out of the grabbing space 514. After the bending part 513 is provided, the lower end of the second clamping arm 512 may be further configured to extend obliquely outward of the outward grabbing space 514, so as to enlarge the opening of the lower end of the gripper 51, and to grab the rod 8 more easily.

As shown in fig. 8, in this embodiment, three groups of grippers 51 are spaced apart from each other, the top of each gripper 51 is disposed on a gripper fixing seat 515, and the gripper fixing seat 515 is fixedly connected to the output end of the first gripper driving component 52, so that the first gripper driving component 52 can drive the three groups of grippers 51 to rise or fall simultaneously.

As shown in fig. 8 and 9, in the present embodiment, the gripper fixing base 515 is rotationally connected to the top of the gripper 51, the axis of the rotation direction is parallel to the axis of the rod 8, the side of the gripper fixing base 515 near the guide plate 28 is fixedly provided with the second elastic pressing piece 54, and the lower end of the second elastic pressing piece 54 abuts against the gripper 51, so that the gripper 51 can quickly recover stably even if the gripper 51 shakes due to the existence of the bending part 513 during the gripper 8 gripping.

As shown in fig. 8, the first grabbing driving component 52 is fixedly disposed on the grabbing sliding table 55, the grabbing sliding table 55 is slidably disposed above the conveying device 4 along the left-right direction, and the output end of the second grabbing driving component 53 is fixedly connected with the grabbing sliding, so that the grabbing sliding can be driven to move above the conveying device 4 along the left-right direction, and the axial position of the rod member 8 is adjusted.

Figures 11 and 12 show perspective and top views, respectively, of an upsetting means 6 provided by an embodiment of the present invention. Referring to fig. 11 and 12, the upsetting means 6 includes a bracket 61 and an upsetting die 62 mounted on the bracket 61, a clamping mechanism 63 for fixing the upsetting die 62, a pushing mechanism 64 provided at one end of the upsetting die 62, and a punching mechanism 65 provided at the other end of the upsetting die 62. When the gripping device 5 puts the rod member 8 into the upsetting position, the heated end portion of the rod member 8 is inserted into the upsetting die 62, and the axial position of the rod member is appropriately adjusted so that both ends of the rod member protrude to the left and right sides of the upsetting die 62, respectively, so that the pushing mechanism 64 and the punching mechanism 65 apply axial pressure to the rod member 8, respectively.

Fig. 13 shows an exploded view of an upsetting die 62, a clamping mechanism 63, a pushing mechanism 64, and a stamping mechanism 65 provided in an embodiment of the present invention. Referring to fig. 13, a rod mounting hole 621 for mounting a rod 8 is provided in the center of the upsetting die 62, the rod mounting hole 621 penetrates through the left and right ends of the upsetting die 62, the clamping mechanism 63 includes a first clamping seat 631 and a second clamping seat 632, the first clamping seat 631 is fixedly provided on the bracket 61, the upsetting die 62 is fixedly mounted on the first clamping seat 631, the second clamping seat 632 can be laterally moved closer to or farther from the first clamping seat 631 so as to clamp or loosen the upsetting die 62, a clamping driving assembly 633 is provided on the second clamping seat 632, and the clamping driving assembly 633 is fixedly provided on the bracket 61, in this embodiment, the clamping driving assembly 633 employs an oil cylinder. The pushing mechanism 64 is provided coaxially with the ram mounting hole 621, and an output end of the pushing mechanism 64 is capable of reciprocating along an axial direction of the ram mounting hole 621, applying an axial force to the ram 8 in a direction toward the pressing mechanism 65. The pressing mechanism 65 is provided coaxially with the rod attachment hole 621, and the pressing mechanism 65 is capable of reciprocating along the axial direction of the rod attachment hole 621, applying an axial force to the rod 8 in the direction of the pushing mechanism 64. Under the double pressure of the pushing mechanism 64 and the punching mechanism 65, the end portion of the rod member 8 can be plastically deformed and a predetermined profile can be formed inside the upsetting die 62.

Fig. 14 shows a schematic view of an upsetting die 62 and a clamping mechanism 63 provided by an embodiment of the present invention. Referring to fig. 14, the upsetting die 62 is provided on the side facing the punching mechanism 65 with a forming cavity 622 that communicates with a rod mounting hole 621 and is coaxially provided, and in this embodiment, the forming cavity 622 has a cylindrical shape such that the final rod 8 is plastically deformed into a circular plate shape. The upsetting die 62 is generally cylindrical in shape, but is not limited thereto. The first clamping seat 631 and the second clamping seat 632 are provided with a first mounting groove 6311 and a second mounting groove 6321 which are adapted to the outer shape of the upsetting die 62, and the upsetting die 62 is fixedly arranged in the first mounting groove 6311. In addition, as shown in fig. 13, the first clamping seat 631 and the second clamping seat 632 are further provided with a first rod positioning groove 6312 and a second rod positioning groove 6322 coaxial with the rod mounting hole 621, after the first clamping seat 631 and the second clamping seat 632 approach each other, the rod 8 is clamped in the first rod positioning groove 6312 and the second rod positioning groove 6322, so that the rod 8 is prevented from moving, and meanwhile, a good positioning effect can be provided for the rod 8, and the rod 8 is prevented from flexing when being pressed subsequently.

As shown in fig. 13, the pushing mechanism 64 includes a pushing rod 641, a pushing driving assembly 642 for driving the pushing rod 641 to move axially, the pushing rod 641 is coaxially arranged with the upsetting die 62, a supporting rod 643 extending perpendicular to the pushing rod 641 is arranged on the pushing rod 641, and a roller 644 is arranged on the supporting rod 643, so that when the pushing rod 641 moves axially, the roller 644 rolls correspondingly to provide supporting force for the pushing rod 641. The pushing driving assembly 642 comprises a pushing cylinder 6421 and a pushing plate 6422, the output end of the pushing cylinder 6421 is fixedly arranged on the bracket 61, the cylinder barrel of the pushing cylinder 6421 is fixedly arranged on the pushing plate 6422, and the pushing rod 641 is fixedly connected with the pushing plate 6422. In addition, a guide bar 6423 is provided between the holder 61 and the push plate 6422.

As shown in fig. 13, the stamping mechanism 65 includes a stamping assembly 651, a stamping die 652 and a stamping die replacing assembly 653, the stamping assembly 651 is fixedly disposed on the support 61, the stamping die replacing assembly 653 is fixedly disposed on an output end of the stamping assembly 651, the stamping die 652 is fixedly disposed on an output end of the stamping die replacing assembly 653, in this embodiment, there are three different stamping dies 652 for making the rod member 8 pass through three different stages to finally form the anchoring portion 81, and the stamping die replacing assembly 653 is used for making the three stamping dies 652 be connected with an end portion of the rod member 8 in a specific manner. It should be noted that, in other embodiments, a greater number of stamping dies 652 may be provided so that the end portion of the rod member 8 is gradually formed into the anchor portion 81.

As shown in fig. 13, the stamping assembly 651 includes a stamping cylinder 6511, an output end of the stamping cylinder 6511 is fixedly connected with a stamping sliding table 6512, two sides of the stamping sliding table 6512 are slidably disposed on a sliding rail 6513, and the sliding rail 6513 is fixedly disposed on a bracket 61, so that the stamping cylinder 6511 can drive the stamping sliding table 6512 to move along an axial direction of the rod 8.

As shown in fig. 13, in this embodiment, three different stamping dies 652 are arranged at intervals along the longitudinal direction, the stamping die replacing assembly 653 includes a die mounting plate 6531 and a die driving assembly 6532 for driving the die mounting plate 6531 to move up and down, the die driving assembly 6532 includes a lifting motor 6533, a gear fixedly connected with the output end of the lifting motor 6533, and a rack meshed with the gear, the rack is arranged longitudinally, the die mounting plate 6531 is fixedly connected with the rack, so that the lifting motor 6533 can drive the die mounting plate 6531 to move up and down through the gear rack, and the replacement of different stamping dies 652 is realized. It should be noted that in other embodiments, three different stamping dies 652 may be arranged in a horizontal direction or in other directions.

Fig. 15 shows a perspective view of three different stamping dies 652 provided by an embodiment of the present invention. Referring to fig. 15, the end face of the first stamping die 6521 facing the upsetting die 62 is provided with a first groove 65211 recessed inward, the end face of the second stamping die 6522 facing the upsetting die 62 is provided with a second groove 65221 recessed inward, and the end face of the third stamping die 6523 facing the upsetting die 62 is a plane.

Fig. 16 shows a cross-sectional view of the first press mold 6521 and the second press mold 6522. Referring to fig. 16, the depth of the first groove 65211 is greater than that of the second groove 65221, the diameter of the groove bottom of the first groove 65211 is smaller than that of the groove bottom of the second groove 65221, the first groove 65211 has a smaller boundary dimension relative to the second groove 65221 as a whole, the rod 8 adopts the first stamping die 6521 in the initial stage, so that the end of the rod 8 is first subjected to smaller plastic deformation, after a certain time, the end of the rod 8 is subjected to smaller plastic deformation again by adopting the second stamping die 6522, after a certain time, the end of the rod 8 is finally formed into the anchoring portion 81 by adopting the third stamping die 6523.

As shown in fig. 12, a blanking port 611 is provided below the bracket 61 for blanking the processed rod 8. Fig. 17 shows a schematic view of the blanking port 611 and the discharging device 7, the discharging device 7 is arranged below the blanking port 611, a blanking guide plate 612 is arranged in the blanking port 611, the lower part of the blanking guide plate 612 is obliquely arranged and faces the discharging device 7, so that when the rod member 8 contacts with the blanking guide plate 612, the rod member 8 is guided to move towards the discharging device 7. The discharging device 7 comprises a receiving box 71, an opening 711 is formed in one side of the receiving box 71 and used for discharging the rod 8, a discharging push plate 72 is arranged at a position, opposite to the opening 711, of the receiving box 71, a pushing cylinder 73 is arranged on the discharging push plate 72, and the pushing cylinder 73 controls the discharging push plate 72 to move towards or away from the opening 711, so that the rod 8 on the receiving box 71 is discharged from the opening 711.

The specific use process of the equipment is as follows:

first, as shown in fig. 4, the rod 8 is placed on the stock support plate 111 in such a manner that the axis extends in the left-right direction, and the rod 8 rolls down obliquely to the lowest point along the upper surface of the stock support plate 111; next, as shown in fig. 5, the first feeding driving assembly 123 drives the connecting seat 16 to move downward, so that the top surface of the leftmost first movable step 122a is lower than or equal to the lowest point of the upper surface of the storage supporting plate 111, and the rod 8 moves onto the top surface of the first movable step 122 a; then, the first feeding driving assembly 123 drives the connecting seat 16 to move upwards so that the top surface of the first movable step 122a at the left side is higher than or equal to the first fixed step 121a, and the rod 8 moves onto the top surface of the first fixed step 121 a; through the continuous reciprocating movement of the first feeding driving assembly 123, the rod 8 finally moves upwards and enters the top surface of the third fixed step 121c, rolls rightward along the upper surface of the transverse connecting member 14 until being located at the lowest point of the upper surface of the transverse connecting member 14, and the second feeding driving assembly 124 drives the second movable step 122b to move downwards, so that the top surface of the second movable step 122b is lower than or equal to the lowest point of the upper surface of the transverse connecting member 14, and the rod 8 moves to the top surface of the second movable step 122 b; the second feeding driving assembly 14 drives the second movable step 122b to move upwards, so that the top surface of the second movable step 122b is higher than or equal to the top surface of the fourth fixed step 121d, and the rod 8 moves to the top surface of the fourth fixed step 121d, namely, is discharged from the discharge hole 13;

Next, as shown in fig. 7, the rod 8 discharged from the discharge hole 13 enters a corresponding rod bearing seat 23 and is limited by a rod bearing groove 232, along with the rotation of the conveying belt 21, the rod bearing seat 23 moves rightwards with the rod 8, when the position of the rod bearing groove 232 corresponds to the position of the push rod 24, as shown in fig. 6, the push rod driving assembly 25 drives the push rod 24 to move leftwards, so that the right end of the push rod 24 is abutted against the left end of the rod 8 and drives the rod 8 to move rightwards, and finally the right end of the rod 8 is abutted against the left end face of the alignment plate 26, so that the axial positioning of the rod 8 is realized; the conveyor belt 21 then continues to rotate, driving the bars 8 to move forward, when the bars 8 move to the heating zone formed by the heating plate 32 (see fig. 3), the heating plate 32 heats the ends of the bars and brings them to a temperature at which plastic deformation can occur; next, as shown in fig. 7, the conveyor belt 21 drives the rod bearing seat 23 to move rightward, and when the rod bearing seat 23 moves to the right end of the conveyor belt 21, the rod bearing seat 23 starts to turn rightward, so that the rod 8 drops down onto the guide plate 28 and rolls down obliquely along the upper surface of the guide plate 28;

again, as shown in fig. 8, the rod 8 falling from the guide plate 28 falls onto the rod supporting roller 41 and is accommodated in the rod accommodating groove 42, as shown in fig. 10, the second motor 44 drives the second sprocket assembly 43 to rotate, so that the rod supporting roller 41 rotates correspondingly, and then drives the rod 8 to move axially until the left end of the rod 8 abuts against the right end of the limit rod 45 in fig. 8, at this time, the rod 8 is in the grabbing station, then the second grabbing driving assembly 53 adjusts the position of the gripper 51 along the axial direction of the rod 8, so that the gripper 51 is in the grabbing station, then the first grabbing driving assembly 52 drives the gripper 51 to move downwards, so that the lower end of the gripper 51 abuts against the rod 8, and then the first clamping arm 511 and the second clamping arm 512 clamp the rod 8 in the grabbing space 514 from two sides of the rod 8 respectively, and then, as shown in fig. 10, the driving assembly 47 drives the moving plate 46 to move towards the direction away from the guide plate 28, so that the rod supporting roller 41 leaves the grabbing station, so that the grabbing station is in communication with the lower upsetting station, as shown in fig. 8, then the first upsetting driving assembly 52 is driven by the first upsetting driving assembly 52 to move the first upsetting assembly 52 into the grabbing assembly 51, and then the second upsetting assembly 53 is driven into the grabbing station to move axially, and then the upsetting assembly 53 is driven into the grabbing station, and the upsetting assembly is heated;

Then, as shown in fig. 13, the clamp driving assembly 633 drives the second clamp seat 632 to move toward the first clamp seat 631 so that the upsetting die 62 is clamped between the first clamp seat 631 and the second clamp seat 631, the lifting motor 6533 drives the die mounting plate 6531 to move downward so that the first press die 6521 is aligned with the heated end of the rod member 8, then, the press ram 6511 drives the press slide 6512 to slide on the slide rail 6513 so that the first press die 6521 moves toward the end of the rod member 8, at the same time, the push cylinder 6421 drives the push plate 6422 to move leftward so that the push rod 641 moves toward the right end of the rod member 8 and abuts against the right end of the rod member 8, whereby both ends of the rod member are respectively subjected to axial pressure in opposite directions, plastic deformation can occur due to the fact that the rod member 8 is heated toward the end of the first press die 6521, thereby filling the first groove 65211 of the first stamping die 6521, then resetting the stamping cylinder 6511 and the pushing cylinder 6421, driving the die mounting plate 6531 to move downwards by the lifting motor 6533, enabling the second stamping die 6522 to be aligned with the heated end of the rod member 8, enabling the stamping cylinder 6511 and the pushing cylinder 6421 to act again, applying axial pressure to the rod member 8, enabling the left end of the rod member 8 to be plastically deformed again, filling the second groove 65221 of the second stamping die 6522, then resetting the stamping cylinder 6511 and the pushing cylinder 6421, driving the die mounting plate 6531 to move downwards by the lifting motor 6533, enabling the third stamping die 6523 to be aligned with the heated end of the rod member 8, enabling the stamping cylinder 6511 and the pushing cylinder 6421 to act again, applying axial pressure to the rod member 8, enabling the left end of the rod member 8 to be plastically deformed again, finally filling the forming cavity 622 of the upsetting die 62, and forming the anchor 81 at the end of the rod member 8; then the ram 6511 is reset and leaves the left end of the rod 8, the clamping driving assembly 633 is reset, the upsetting die 62 is loosened, the pushing cylinder 6421 continues to drive the pushing rod 641 to move leftwards, so that the rod 8 is pushed to move leftwards until the rod 8 is separated from the upsetting die 62 and falls into the blanking port 611 downwards;

Finally, the finished rod 8 falls onto the receiving box 71, and the rod 8 is pushed out from the opening 711 by the discharge push plate 72 under the action of the pushing cylinder 73.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art. The generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An apparatus for machining an anchor at an end of a rod, comprising: the device comprises a feeding device (1) provided with a discharging hole (13) and enabling rod pieces (8) to be discharged from the discharging hole (13), a conveying device (2) arranged at the discharging hole (13) and used for receiving the rod pieces (8) and enabling the rod pieces (8) to move along a conveying direction, a heating device (3) arranged at the side of the conveying direction and used for heating the end parts of the rod pieces (8) and enabling the end parts of the rod pieces (8) to reach a temperature capable of undergoing plastic deformation, a conveying device (4) arranged at the tail end of the conveying direction and used for receiving the rod pieces (8) and enabling the rod pieces (8) to move to a grabbing station, a grabbing device (5) arranged in the grabbing station and used for grabbing the rod pieces (8) located in the grabbing station and enabling the rod pieces (8) to enter an upsetting station, and an upsetting device (6) arranged in the upsetting station and used for upsetting the heated end parts of the rod pieces (8) to form the anchoring parts (81).

2. The device for machining anchors at rod ends according to claim 1, characterized in that the loading means (1) comprise: the storage box (11) for storing the rod pieces (8) and the step-type feeding mechanism (12) arranged in the storage box (11) and used for enabling the rod pieces (8) to move to the discharge hole (13) step by step, wherein the step-type feeding mechanism (12) comprises: the fixed ladder (121) and the movable ladder (122) which is arranged at the side of the fixed ladder (121) and can move up and down under the drive of the feeding driving assembly are arranged at one side of the fixed ladder (121) closest to the discharging hole (13), and the height of the height limiting channel is configured to be in the height direction and only allow one rod piece (8) to pass through.

3. The equipment for machining anchors at rod ends according to claim 1, characterized in that the conveying device (2) comprises a conveying belt (21) and a rotary driving mechanism (22) for driving the conveying belt (21) to rotate, the conveying direction is limited by the rotating direction of the conveying belt (21), the surface of the conveying belt (21) is provided with a plurality of rod bearing seats (23), the rod bearing seats (23) are provided with rod inlets and outlets (231) for entering and leaving rod (8) and rod bearing grooves (232) communicated with the rod inlets and outlets (231) for accommodating the rod (8), the conveying device (2) further comprises a push rod (24) arranged in the direction opposite to the heating device (3), a push rod driving assembly (25) for driving the push rod (24) to move along the direction perpendicular to the conveying direction is connected to the push rod (24), and an aligning plate (26) for aligning the end of the rod (8) is arranged in the direction opposite to the push rod (24).

4. The device for machining anchors at rod ends according to claim 1, characterized in that the heating means (3) comprise an induction furnace (31) and at least two heating plates (32) as output ends of the induction furnace (31), a heating zone being formed between the at least two heating plates (32), one side of the conveying means (2) being arranged through the heating zone.

5. The equipment for machining an anchoring portion at a rod end according to claim 1, characterized in that the conveying device (4) comprises a plurality of rod supporting rollers (41) arranged on a straight line, a rod accommodating groove (42) for accommodating the rod (8) is formed above the rod supporting rollers (41), the rod supporting rollers (41) can rotate so as to drive the rod (8) to move along the axial direction, a limit rod (45) is arranged above the rod supporting rollers (41), and the limit rod (45) is used for abutting against the rod (8) after the axial movement.

6. An apparatus for working an anchor at a rod end according to claim 1, characterized in that the conveyor (4) is able to enter or leave the gripping station, the conveyor (4) being able to receive the rod (8) from the conveyor (2) when the conveyor (4) is located at the gripping station, the gripping station being in communication with the upsetting station below when the conveyor (4) leaves the gripping station, the gripping device (5) being able to move downwards, bringing the rod (8) into the upsetting station.

7. The apparatus for machining anchors at rod ends according to claim 6, characterized in that the conveyor (4) comprises a number of rod supporting rollers (41) arranged in a straight line, a rod receiving groove (42) for receiving the rods (8) is formed above the rod supporting rollers (41), the number of rod supporting rollers (41) is arranged on a moving plate (46), a moving driving assembly (47) is connected to the moving plate (46), and the moving driving assembly (47) is configured to drive the moving plate (46) to move in a horizontal direction, and the rod supporting rollers (41) are moved into or out of a gripping station.

8. An apparatus for working an anchor at a rod end according to claim 1, characterized in that the gripping means (5) comprises a gripper (51), a first gripping drive assembly (52) for driving the gripper (51) up and down, bringing the rod (8) at the gripping station into the upsetting station, and a second gripping drive assembly (53) for driving the gripper (51) axially along the rod (8), connecting the rod (8) at the upsetting station to the upsetting means (6), the gripper (51) comprising oppositely arranged first and second gripper arms (511, 512), a gripping space (514) for gripping the rod (8) being formed between the first and second gripper arms (511, 512), a bending part (513) being provided in the gripping space (514), the bending part (513) causing the gripping space (514) to bend in a vertical direction, the bending part (513) providing a gripping force from below the rod (8) into the gripping space (514).

9. The apparatus for working an anchor at an end of a rod member according to claim 1, characterized in that said upsetting means (6) comprises an upsetting die (62) having a forming cavity (622) matching the profile of said anchor (81), a clamping mechanism (63) provided at the periphery of said upsetting die (62) for fixing the upsetting die (62), a pushing mechanism (64) provided at one end of said upsetting die (62) and coaxial with said forming cavity (622), and a punching mechanism (65) provided at the other end of said upsetting die (62) and coaxial with said forming cavity (622), said pushing mechanism (64) comprising a pushing rod (641) axially movable along said forming cavity (622), said pushing rod (641) being adapted to apply an axial force to an unheated end of said rod member (8), said punching mechanism (65) comprising a punching die (652) axially movable along said forming cavity (622), said punching die (652) being adapted to apply an axial force to a heated end of said rod member (8), said heated end of said rod member (8) being deformed plastically;

the stamping die (652) comprises a first stamping die (6521) with a first groove (65211) on the end face, a second stamping die (6522) with a second groove (65221) on the end face and a third stamping die (6523) with a plane end face, the depth of the first groove (65211) is larger than that of the second groove (65221), the aperture of the first groove (65211) is smaller than that of the second groove (65221), and the first stamping die (6521), the second stamping die (6522) and the third stamping die (6523) are used for upsetting the rod piece (8) in stages in sequence;

The first stamping die (6521), the second stamping die (6522) and the third stamping die (6523) are installed on a die mounting plate (6531), a die driving assembly (6532) for driving the die mounting plate (6531) to move is arranged on the die mounting plate (6531), and the die driving assembly (6532) enables the first stamping die (6521), the second stamping die (6522) and the third stamping die (6523) to be coaxially arranged with the forming cavity (622) in sequence.

10. A method of working an anchor at a rod end, characterized by using the apparatus for working an anchor at a rod end according to any one of claims 1 to 9, comprising the steps of:

the feeding device (1) discharges the rod pieces (8) from the discharge hole (13) one by one,

the conveying device (2) receives the rod pieces (8) discharged from the discharge hole (13) and separately arranges the rod pieces (8), the rod pieces (8) move along the conveying direction, the end parts of the rod pieces (8) pass through the heating device (3) in the middle, the heating device (3) heats the rod pieces (8) to the temperature capable of generating plastic deformation,

the rod (8) enters the conveying device (4) and is moved to the grabbing station by the conveying device (4),

The gripping device (5) grips the rod (8) in the gripping station and brings the rod (8) into the upsetting station,

the upsetting means (6) upsets the heated end of the rod (8) and forms the anchoring portion (81).