CN114470625B

CN114470625B - Barbell sleeve

Info

Publication number: CN114470625B
Application number: CN202111646794.5A
Authority: CN
Inventors: 孙燕霞; 戴一徐
Original assignee: Nantong Hengli Sports Goods Co ltd
Current assignee: Nantong Hengli Sports Goods Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2023-05-23
Anticipated expiration: 2041-12-30
Also published as: CN114470625A

Abstract

The invention discloses a barbell sleeve and production equipment thereof, aiming at the problem that the barbell sleeve is difficult to assemble and disassemble from a barbell rod, the barbell sleeve comprises a sliding block and a sliding driving assembly for driving the sliding block to move, an annular groove for sliding the sliding block is arranged on the inner wall of the barbell sleeve, a sliding groove for sliding the sliding block to the annular groove along the radial direction is arranged on the barbell rod, an accommodating space is arranged inside the barbell rod, and the sliding driving assembly is arranged in the accommodating space of the barbell rod. The sliding block is clamped between the annular groove of the barbell sleeve and the sliding groove of the barbell rod, so that the barbell sleeve and the barbell rod are fixed, and the barbell sleeve is convenient to install on the barbell rod. When the sliding block slides out of the annular groove of the barbell sleeve, the barbell sleeve and the barbell rod can move, and the barbell sleeve and the barbell rod can be conveniently detached.

Description

Barbell sleeve

Technical Field

The invention relates to the technical field of sports goods, in particular to a barbell sleeve.

Background

The barbell sleeve is a part assembled at both ends of the barbell bar for attaching and detaching and supporting the barbell disc. The barbell sleeve can protect the barbell bar and prevent the barbell disc with large weight from damaging the barbell bar.

Referring to fig. 1, the barbell sleeve 106 includes a stop 1061 near one end of the barbell bar and a longer tube 1062, the tube 1062 for supporting the barbell disc, the stop 1061 for stopping the barbell disc at the end of the barbell bar to avoid bruising the hand due to the barbell disc sliding on the barbell bar.

At present, the barbell sleeve and the barbell disc are frequently rubbed, so that the barbell sleeve is stressed greatly, the barbell sleeve is easy to damage, the barbell sleeve needs to be frequently replaced, and the existing barbell sleeve is troublesome to assemble and disassemble on a barbell rod, so that the barbell sleeve has room for improvement.

In addition, the baffle on the barbell sleeve is fixedly connected with the pipe fitting by friction welding, and the baffle and the barbell sleeve in the connection mode are not integral, so that the barbell piece is easy to impact the baffle in the use process, and the baffle is separated from the barbell sleeve, thereby threatening the safety of a user, and therefore, the barbell sleeve has room for improvement.

Disclosure of Invention

The first object of the present invention is to provide a barbell sleeve, which has the advantage of convenient assembly and disassembly of the barbell sleeve on a barbell bar.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a barbell sleeve, includes the slider and is used for the drive the slider removes the drive assembly that slides, and the telescopic inner wall of barbell is equipped with supplies the slider slides the ring channel, and the barbell pole is equipped with supplies the slider slides to the spout of ring channel along radial, the inside accommodation space that is equipped with of barbell pole, the drive assembly that slides sets up in the accommodation space of barbell pole.

By adopting the technical scheme, the barbell sleeve is sleeved on the barbell rod from the end part of the barbell rod, the sliding driving assembly drives the sliding block to move along the sliding groove of the barbell rod, so that the sliding block moves towards the direction close to the annular groove of the barbell sleeve, then the sliding block stretches into the through groove of the barbell rod, extends into the annular groove of the barbell sleeve through the through groove, and abuts against the side surface of the annular groove of the barbell sleeve and the side surface of the through groove of the barbell rod, so that the barbell rod and the barbell sleeve are mutually fixed, the barbell sleeve is fixed on the barbell rod, and the barbell sleeve is convenient to install. When the barbell sleeve is dismounted, the sliding driving assembly drives the sliding block to move in the direction away from the annular groove, and the sliding block moves into the sliding groove of the barbell rod along the through groove of the barbell rod, so that the sliding block moves out of the barbell sleeve, the barbell sleeve and the barbell rod are separated, and the barbell sleeve is convenient to dismount.

Further, the slip drive assembly includes: the rotary disc type barbell bar comprises a rotating shaft, a connecting rod and a guide block, wherein the rotating shaft is rotationally connected to an accommodating space of the barbell bar, the guide block is in threaded connection with the rotating shaft, the rotating shaft is coaxial with the barbell bar, the radial cross section of the guide block along the rotating shaft is in a cut-round shape, the accommodating space of the barbell bar is provided with a through groove for the guide block to pass through, the cut-round plane of the guide block is slidingly connected with the side surface of the through groove of the barbell bar, one end of the connecting rod is rotationally connected to the guide block, and the other end of the connecting rod is rotationally connected to a sliding block.

By adopting the technical scheme, the rotating shaft is rotated, so that the guide block is driven to rotate, the round-cut flat side surface of the guide block slides on the side surface of the through groove of the barbell bar, so that the guide block moves along the axis of the rotating shaft towards the middle part close to the barbell bar, and the guide block drives the connecting rod and the sliding block to move, thereby realizing the movement of the sliding block.

Further, the sliding block is in very small clearance fit with the groove side surface of the annular groove of the barbell sleeve.

By adopting the technical scheme, the small clearance fit ensures that the clearance between the sliding block and the side surface of the groove of the annular groove is smaller while ensuring that the sliding block can slide into the annular groove, limits the degree of freedom of the barbell sleeve relative to the barbell rod, avoids sudden sliding of the barbell disc caused by overlarge movement range between the barbell sleeve and the barbell rod in the process of using the barbell sleeve, reduces the falling risk of the barbell disc, and increases the safety of the device.

Further, the one end of pivot is fixed and is equipped with the handle, the other end of pivot is equipped with the external screw thread, the barbell pole is equipped with the screw hole that supplies pivot threaded connection, so that when the slider removes to barbell telescopic ring channel, pivot tip and the screw hole bottom of barbell pole are mutually supported.

By adopting the technical scheme, the rotating shaft is in threaded engagement with the barbell bar, when the sliding block moves into the annular groove of the barbell sleeve, the external threads of the rotating shaft are screwed into the bottom of the threaded hole of the barbell bar, so that the rotating shaft is prevented from continuously rotating, the sliding block is prevented from moving out of the annular groove of the barbell sleeve due to excessive rotation of the rotating shaft when the sliding block is arranged in the annular groove of the barbell sleeve, and the sliding block is prevented from being clamped between the barbell sleeve and the barbell bar effectively.

Aiming at the defects existing in the prior art, the second aim of the invention is to provide the production equipment of the barbell sleeve, which has the advantage that the baffle table is firmly fixed with the barbell sleeve.

a production device of barbell sleeves comprises

A cutting station for cutting the tubing into tubing of a fixed length;

a melting station for heating and softening the pipe;

the forging station is used for forging the softened pipe fitting out of the baffle table and comprises an upper die plate, a lower die plate and a forging power source for driving the upper die plate to forge and press towards the lower die plate, wherein the upper die plate is fixedly connected with a die core extending to a through hole of the pipe fitting, the lower die plate is provided with a through hole for the pipe fitting to extend into, a supporting block is arranged in the through hole of the lower die plate, a forming cavity for forming the baffle table is arranged between the lower die plate and the upper die plate, and the supporting block is provided with a concave hole for the die core to pass through;

the quenching station is used for rapidly cooling the forged pipe fitting after heat preservation;

the processing station is used for processing the quenched pipe fitting to a qualified size and enabling the pipe fitting to have a smooth surface;

electroplating the surface of the processed pipe fitting;

the pipe cutting station, the melting station, the forging station, the quenching station, the processing station and the electroplating station are sequentially arranged along the conveying direction.

By adopting the technical scheme, the pipe material is cut into the pipe fitting with the fixed length by the cutting station, so that the subsequent forging is facilitated. The melting station softens the pipe fitting, so that the pipe fitting is convenient to forge and form, and the pipe fitting is easier to forge. The quenching aims to make supercooled austenite undergo the transformation of martensite or bainite to obtain a martensite or bainite structure, so as to greatly improve the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of steel, thereby increasing the rigidity and bending strength of the barbell sleeve and prolonging the service life of the barbell. The processing station enables the size of the barbell sleeve to reach the standard size so as to facilitate the assembly and disassembly of the barbell disc. The electroplating station ensures that the surface of the barbell sleeve has the characteristic of corrosion resistance, and prolongs the service life of the barbell sleeve. The pipe fitting is placed in the through hole of the lower die plate, the die core is driven by the upper die plate to move into the through hole of the pipe fitting, the upper die plate moves towards the lower die plate under the forging and pressing of the forging and pressing power source, and the pipe fitting is extruded out of the baffle table in the forming cavity under the joint extrusion of the supporting block, the upper die plate and the upper die plate, so that the forging and pressing forming of the baffle table is completed. The baffle table and the pipe fitting are integrated, so that the baffle table is fixed on the pipe fitting mountain more firmly. The mold core forms the through hole of the barbell sleeve.

Further, the cutting station comprises a band sawing machine and a clamping assembly arranged on the band sawing machine and used for clamping the pipe fitting, the clamping assembly comprises a plurality of clamping plates connected to the band sawing machine in a sliding mode and a clamping power source used for driving the clamping plates to clamp the outer circular surface of the pipe fitting, and a friction plate is fixedly arranged on one side, close to the pipe fitting, of the clamping plates.

By adopting the technical scheme, the clamping component ensures that the pipe material is not easy to roll in the process of cutting, and helps the saw blade to cut the pipe smoothly. The clamping power source drives the clamping plates to clamp the cylindrical pipe material, so that the freedom degree of the pipe material along the direction perpendicular to the axis is limited, and the pipe material is prevented from rolling. The friction plate increases the friction coefficient between the clamping plate and the pipe material, increases the friction force and effectively prevents the rolling of the pipe material. Simple structure easily realizes, increases the practicality of equipment.

Further, be equipped with the first conveying subassembly that is used for carrying the pipe fitting after the segmentation between cutting station and the melting station, first conveying subassembly is including connecting the first conveyer belt of cutting station and melting station, the first removal power supply that is used for driving first conveyer belt and the accuse speed subassembly that is used for controlling the conveying speed of pipe fitting.

By adopting the technical scheme, the first conveying component automatically conveys the pipe fitting, and the automation of equipment is increased. The first movable power source drives the transmission belt to move, the pipe fitting moves from the cutting station to the melting station on the first transmission belt by using friction force, and the pipe fitting cutting device is simple in structure and low in cost. The speed control assembly controls the moving speed of the pipe fitting, so that the pipe fitting orderly enters the melting station, the phenomenon of congestion is avoided, and the orderly conveying of the pipe fitting is ensured.

Further, be equipped with the second conveying subassembly that is used for carrying the pipe fitting after softening between melting station and the forging station, the second conveying subassembly includes the whereabouts passageway and the rotation of connecting in forging station with melting station and forging station intercommunication, the height along the gravity direction of melting station is higher than the forging station, a plurality of lower bolster of evenly fixedly connected with of second conveyer belt, the one end that is close to the second conveyer belt of whereabouts passageway is coaxial with the through-hole of lower bolster.

By adopting the technical scheme, due to the gravity, the softened pipe fitting slides into the through hole of the lower template of the second conveyor belt from the falling channel, the conveying structure is simple, the realization is easy, the second conveyor belt drives the lower template to move, the lower template is aligned with the upper template, the pipe fitting forging and pressing is realized, the second conveyor belt moves the forged pipe fitting to the next station, and the pipe fitting is automatically moved, so that the equipment has automation.

Further, the upper template is provided with a concave hole into which the lower template extends, and the concave hole of the upper template is in extremely small clearance fit with the lower template.

By adopting the technical scheme, the lower template stretches into the concave hole of the upper template, so that the lower template and the upper template are positioned. The minimum clearance between cope match-plate pattern and lower bolster both guarantees that the lower bolster can stretch into in the shrinkage pool of cope match-plate pattern smoothly, also guarantees the positioning accuracy between cope match-plate pattern and the lower bolster to guarantee the shaping precision of shaping cavity.

Further, the supporting block is connected in the through hole of the lower die plate in a sliding manner and is in extremely small clearance fit with the lower die plate, and one side, far away from the upper die plate, of the supporting block is provided with an ejection power source for ejecting the pipe fitting.

By adopting the technical scheme, the extremely small gap between the supporting block and the lower template not only ensures the sliding of the supporting block in the lower template, but also ensures that when the supporting block extrudes the pipe fitting, the material of the pipe fitting cannot be extruded into the gap between the supporting plate and the lower template, so that the waste of the material is avoided. After the pipe fitting is forged and molded, the ejection power source drives the supporting plate to move towards the direction close to the upper template, the pipe fitting is ejected out of the lower template, and separation between the pipe fitting and the lower template is achieved.

In summary, the invention has the following beneficial effects:

1. the sliding block is clamped between the annular groove of the barbell sleeve and the sliding groove of the barbell rod, so that the barbell sleeve and the barbell rod are fixed, and the barbell sleeve is convenient to install on the barbell rod. When the sliding block slides out of the annular groove of the barbell sleeve, the barbell sleeve and the barbell rod can move, so that the barbell sleeve and the barbell rod can be conveniently detached;

2. the rotary shaft is rotated, the rotary shaft drives the guide block to rotate, the rotary shaft is in threaded connection with the guide block, and the circle cutting plane of the guide block slides on the side surface of the through groove of the barbell bar, so that the guide block moves towards the middle part close to the barbell bar, the rotation is changed into movement, and the rotary shaft is simple in structure and easy to realize;

3. the processing mode that the baffle is extruded from the material of the pipe fitting by forging is adopted, compared with friction welding, the pipe fitting and the baffle are of the same material tissue structure, so that the barbell sleeve is integrated, the baffle is fixed on the pipe fitting more firmly, and the use safety of the barbell sleeve is improved;

4. compared with a method for processing pipe fittings from blank materials, the pipe fittings cutting method has higher working efficiency and saves more materials;

5. the first transmission assembly and the second transmission assembly automatically convey the pipe fitting, automation is achieved, the first transmission assembly and the second transmission assembly are connected with the forging station with high temperature, scalding accidents caused by the fact that workers are close to the forging station are avoided, and safety of equipment is improved.

Drawings

FIG. 1 is a schematic diagram of a barbell sleeve in the background art;

fig. 2 is a schematic structural view of a barbell bar of embodiment 1;

FIG. 3 is a cross-sectional view of the slip drive assembly of embodiment 1;

FIG. 4 is an exploded view of the slip drive assembly of example 1;

fig. 5 is a schematic structural view of embodiment 2;

FIG. 6 is a schematic structural view of a clamping assembly of embodiment 2;

fig. 7 is a schematic structural diagram of a first conveying assembly of embodiment 2;

FIG. 8 is a side view of the first transfer assembly of embodiment 2;

fig. 9 is a schematic structural view of a second conveying assembly of embodiment 2;

FIG. 10 is a schematic diagram showing the completion of forging the upper and lower templates of embodiment 2;

fig. 11 is a schematic view showing the structure of the upper die plate and the lower die plate in the forging process of example 2.

In the figure: 1. a cutting station; 11. band sawing machine; 12. a clamping assembly; 121. clamping a power source; 122. a clamping plate; 123. a friction plate; 124. a guide rail; 2. a melting station; 21. an induction heating furnace; 3. a forging station; 31. forging and pressing a machine tool; 4. a quenching station; 41. a quenching tank; 5. a processing station; 51. a lathe; 52. grinding machine; 6. a plating station; 61. plating bath; 62. an electroplating rack; 7. a first transfer assembly; 71. a first conveyor belt; 72. a first drive wheel; 73. a first driven wheel; 74. a first mobile power source; 75. a speed control assembly; 751. a first slideway; 752. a second slideway; 753. a support plate; 754. a spring; 756. a pressing plate; 757. a second controlled-speed power source; 758. a second push plate; 759. a first controlled-speed power source; 760. a first push plate; 761. a first baffle; 8. a second transfer assembly; 81. a falling channel; 82. a second conveyor belt; 83. a second mobile power source; 84. a second driving wheel; 85. a second driven wheel; 9. a third slideway; 101. an upper template; 102. a mold core; 103. a lower template; 104. a support block; 105. ejecting the power source; 106. a barbell sleeve; 1061. a baffle; 1062. a pipe fitting; 112. a barbell bar; 113. a slip drive assembly; 1131. a rotating shaft; 1132. a guide block; 1133. a connecting rod; 114. a slide block; 115. a handle; 116. an end cap; 117. a shoulder.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Example 1

A barbell sleeve, see fig. 2 and 3, includes two sliders 114 and a slip drive assembly 113. The inner circumference of the barbell sleeve 106 is provided with annular grooves arranged along the circumferential direction, and the rectangular sliding blocks 114 are in very small clearance fit with the groove sides of the annular grooves of the barbell sleeve 106. The barbell bar 112 is provided with two sliding grooves which are radially arranged, the two sliding blocks 114 are respectively connected in the two sliding grooves in a sliding manner, the two sliding grooves are oppositely arranged along the circumferential direction of the barbell bar 112, the sliding directions of the two sliding blocks 114 are positioned on the same straight line, the two sliding blocks 114 are symmetrically arranged in the annular groove of the barbell sleeve 106, and the fixing stability between the barbell sleeve 106 and the barbell bar 112 is ensured by utilizing the characteristic of stable symmetrical structure.

Referring to fig. 3, a through slot is disposed at the axial center of the barbell bar 112, and the through slot and the chute of the barbell bar 112 form an accommodating space of the barbell bar 112. The sliding driving assembly 113 is disposed in the accommodating space, and the sliding driving assembly 113 includes a rotating shaft 1131, a guide block 1132 and two connecting rods 1133 rotatably connected to the through slots of the barbell bar 112.

Referring to fig. 4, the rotation shaft 1131 is coaxial with the barbell bar 112, an outer cylindrical surface of the rotation shaft 1131 is provided with external threads, the guide block 1132 is provided with a threaded through hole, and the guide block 1132 is in threaded connection with the rotation shaft 1131. The radial cross section of the guide block 1132 along the rotating shaft 1131 is in a circle-cutting shape with two parallel straight lines, namely, the guide block 1132 is provided with two circle-cutting planes which are parallel to each other and are arranged along the axial direction of the rotating shaft 1131, and the two circle-cutting planes of the guide block 1132 are respectively connected with the two groove side surfaces of the through groove of the barbell bar 112 in a sliding way.

Referring to fig. 3 and 4, one end of link 1133 is rotatably coupled to guide block 1132 and the other end of link 1133 is rotatably coupled to slider 114. The two links 1133 are symmetrically arranged with a plane passing through the axis of the rotating shaft 1131 as a mirror plane, and the moving directions of the two links 1133 are located on the same plane.

Referring to fig. 3 and 4, a handle 115 is fixedly arranged at one end of a rotating shaft 1131, a threaded hole for the rotating shaft 1131 to be in threaded connection is formed in the barbell bar 112, when the sliding block 114 slides into the annular groove of the barbell sleeve 106, the end of the rotating shaft 1131 is propped against the bottom of the threaded hole of the barbell bar 112, the sliding block 114 is prevented from sliding out of a sliding groove of the barbell bar 112, and the sliding block 114 is ensured to be clamped between the barbell sleeve 106 and the barbell bar 112.

Referring to fig. 3 and 4, barbell bar 112 is provided with shoulder 117, and stop 1061 of barbell sleeve 106 rests against shoulder 117 of barbell bar 112, facilitating positioning of barbell sleeve 106 on barbell bar 112, allowing slider 114 to accurately slide into the annular groove of barbell sleeve 106.

Referring to fig. 3 and 4, an end cap 116 is provided at the end of the barbell sleeve 106, and the end cap 116 covers the handle 115, so that the slider 114 is prevented from sliding out of the annular groove due to the mistaken touching of the handle 115, and the barbell sleeve 106 is prevented from being separated from the barbell bar 112. The end of barbell sleeve 106 is equipped with the joint groove, interference fit between the interior round surface of end cover 116 and the groove side in joint groove, and the material of end cover 116 is plastics, utilizes the elasticity of plastics, makes end cover 116 compress tightly on the joint groove, utilizes frictional force to make end cover 116 fix on barbell sleeve 106, utilizes the elasticity of plastics moreover, makes things convenient for end cover 116 to unpick from barbell sleeve 106, convenient to use.

Referring to fig. 3 and 4, end cap 116, handle 115, sliding drive assembly 113 and slider 114 mirror the cross section along the perpendicular to the axis at the midpoint of barbell bar 112 to the other end of barbell bar 112.

Referring to fig. 3 and 4, the working steps are as follows: the end cover 116 is removed from the barbell sleeve 106, the barbell sleeve 106 is sleeved into the barbell sleeve 112 from the end part of the barbell rod 112 until the end surface of the baffle table 1061 is abutted against the shoulder 117, the handle 115 is rotated, the handle 115 drives the rotating shaft 1131 to rotate, the rotating shaft 1131 drives the guide block 1132 to rotate, the circular cutting plane of the guide block 1132 slides on the side surface of the through groove of the barbell rod 112, the guide block 1132 moves towards the middle part of the barbell rod 112 along the axis of the rotating shaft 1131, so that the two connecting rods 1133 are driven to move, the two connecting rods 1133 respectively drive the two sliding blocks 114 to move towards the annular groove of the barbell sleeve 106 along the sliding groove of the barbell rod 112 until one end, close to the middle part of the barbell rod 112, of the rotating shaft 1131 is abutted against the hole bottom surface of the threaded hole of the barbell rod 112, the sliding blocks 114 are clamped between the barbell sleeve 106 and the barbell rod 112, and the end cover 116 is covered, and the fixation of the barbell sleeve 106 on the barbell rod 112 is completed.

Example 2

The production equipment of the barbell sleeve comprises a cutting station 1, a melting station 2, a forging station 3, a quenching station 4, a processing station 5 and an electroplating station 6, as shown in fig. 5. The cutting station 1, the melting station 2, the forging station 3, the quenching station 4, the processing station 5 and the electroplating station 6 are all fixedly arranged on the ground and sequentially arranged along the conveying direction.

Referring to fig. 5 and 6, a band sawing machine 11 is provided on the cutting station 1, the band sawing machine 11 is a band sawing machine disclosed in chinese patent with an authorized publication number CN107096959B, and a clamping assembly 12 is provided on a table of the band sawing machine 11.

Referring to fig. 6, the clamping assembly 12 includes two clamping plates 122 symmetrically arranged along a conveying direction, one side of the clamping plates 122, which is close to the pipe material, is arc-shaped with the same diameter as the pipe material, guide rails 124 are arranged at the bottoms of the two clamping plates 122, the lengths of the two guide rails 124 are arranged along a direction perpendicular to the conveying direction, the two guide rails 124 are fixedly connected to a workbench with a bed, the two guide rails 124 are provided with sliding grooves for sliding the clamping plates 122, and the sliding grooves are arranged along a direction perpendicular to the conveying direction. The clamping power sources 121 are arranged on one sides, far away from the pipe materials, of the two clamping plates 122, the two clamping power sources 121 are clamping cylinders, the cylinder bodies of the two clamping cylinders are fixedly connected to the workbench of the band sawing machine 11, and the cylinder rods of the two clamping cylinders are fixedly connected with the clamping plates 122. Friction plates 123 are fixedly arranged on one sides of the two clamping plates 122, which are close to the pipe materials.

Referring to fig. 5, the melting station 2 is provided with an induction heating furnace 21, and the induction heating furnace 21 employs an induction heating furnace 21 disclosed in chinese patent publication No. CN 206585774U. A first conveying assembly 7 is arranged between the induction heating furnace 21 and the band sawing machine 11. The position of the discharge port of the band sawing machine 11 in the gravity direction is higher than the feed port of the induction heating furnace 21.

Referring to fig. 7 and 8, the first transfer assembly 7 includes a first transfer belt 71, a first slide 751 open at both the top and bottom sides, a second slide 752 open at both the top and bottom sides, and a first moving power source 74. The first motive power source 74 employs a first rotary electric machine.

Referring to fig. 7 and 8, a first driving wheel 72 is rotatably connected to the lower side of the discharge port of the band sawing machine 11, a first driven wheel 73 is rotatably connected to the lower side of the feed port of the induction heating furnace 21, the body of the first rotating motor is fixedly connected to the band sawing machine 11, and the output shaft of the first rotating motor is fixedly connected to the axial center of the first driving wheel 72. The first conveyor belt 71 is meshed with both the first driving pulley 72 and the first driven pulley 73 and is wound in a closed loop shape.

Referring to fig. 7, 8 and 10, one end of a first slide 751 is fixedly connected with a discharge port of the band sawing machine 11, the other end of the first slide 751 is fixedly connected with one end of a second slide 752 and is provided with a through hole communicated with the second slide 752, and the other end of the second slide 752 is fixedly connected with a feed port of the induction heating furnace 21. The first slide 751 is disposed above the first conveyor 71. One side, close to the second slideway 752, of one end, far away from the band sawing machine 11, of the first slideway 751 is rotatably connected with a pressing plate 756, one side, far away from the second slideway 752, of one end, far away from the band sawing machine 11, of the first slideway 751 is slidably connected with a first push plate 760, the first push plate 760 can abut against the pressing plate 756 mutually, and a square hole for a pipe 1062 to pass through is formed in the bottom of the pressing plate 756. One side of one end of the first slideway 751 far away from the band sawing machine 11 far away from the second slideway 752 is fixedly connected with a support plate 753, a spring 754 is connected between the support plate 753 and the pressure plate 756, one end of the spring 754 is fixedly connected with the pressure plate 756, the other end of the spring 754 is fixedly connected with the support plate 753, and under the tensile force of the spring 754, the pressure plate 756 presses the pipe 1062 on one side of the first slideway 751 far away from the second slideway 752. The one end that keeps away from band sawing machine 11 of first slide 751 is equipped with first push pedal 760 and first accuse quick power supply 759, first accuse quick power supply 759 adopts first accuse quick cylinder, the cylinder body fixed connection of first accuse quick cylinder is in first slide 751, the cylinder pole of first accuse quick cylinder and first push pedal 760 fixed connection, the cylinder pole of first accuse quick cylinder sets up along perpendicular to direction of delivery, first push pedal 760 sets up along direction of delivery, the one end that keeps away from first slide 751 of first push pedal 760 is fixed to be equipped with first baffle 761, first baffle 761 sets up along perpendicular to direction of delivery.

Referring to fig. 7 and 8, a second push plate 758 and a second speed control power source 757 are arranged at one end of the second slideway 752, which is close to the band sawing machine 11, the second speed control power source 757 adopts a second speed control cylinder, the cylinder body of the second speed control cylinder is fixedly connected to the second slideway 752, the cylinder rod of the second speed control cylinder is fixedly connected with the second push plate 758, and the cylinder rod of the second speed control cylinder is arranged along a direction parallel to the conveying direction.

Referring to fig. 5 and 9, the forging station 3 is provided with a forging press 31, and the forging press 31 adopts a forging press having a compression-resistant structure disclosed in chinese patent publication No. CN 213195481U. A second transfer assembly 8 is provided between the forging machine tool 31 and the induction heating furnace 21. The second transfer assembly 8 includes a circular tube-shaped drop passage 81, a second transfer belt 82, and a second moving power source 83, and the second moving power source 83 employs a second rotary motor.

Referring to fig. 5 and 9, the workbench of the forging machine tool 31 is rotatably connected with a second driving wheel 84 and a second driven wheel 85, the body of the second rotary motor is fixedly connected with the workbench of the forging machine tool 31, and the output shaft of the second rotary motor is fixedly connected with the axle center of the second driving wheel 84. The second conveyor belt 82 is meshed with both the second driving pulley 84 and the second driven pulley 85 and is wound in a closed loop shape.

Referring to fig. 5 and 9, one end of the falling passage 81 is fixedly connected to a discharge port of the induction heating furnace 21, and the other end of the falling passage 81 is fixedly connected to a table of the forging machine tool 31, and the height of the induction heating furnace 21 in the gravity direction is higher than that of the forging machine tool 31. One end of the falling passage 81 near the forging machine tool 31 is bent toward the second conveyor belt 82 in the direction of gravity.

Referring to fig. 9 and 10, six cylindrical lower templates 103 are uniformly and fixedly connected to the outer side surface of the second conveyor belt 82, and the lower templates 103 are provided with through holes for the pipe 1062 to extend into, and the axis of the downward bent portion of the pipe of the falling channel 81 is coaxial with the through holes of the lower templates 103 on the second conveyor belt 82, so that the pipe 1062 is ensured to fall into the through holes of the lower templates 103.

Referring to fig. 10 and 11, a cylindrical support block 104 is slidably connected to the through hole of the lower die plate 103, and the support block 104 is in very small clearance fit with the lower die plate 103. The top of lower bolster 103 is equipped with cylindrical cope match-plate pattern 101, and cope match-plate pattern 101 is equipped with the shrinkage pool that supplies lower bolster 103 to stretch into, forms the shaping cavity that supplies fender platform 1061 shaping between shrinkage pool and the lower bolster 103 of cope match-plate pattern 101. The outer circular surface of the lower template 103 is in extremely small clearance fit with the hole wall of the upper template 101. The bottom of the concave hole of the upper die plate 101 is fixedly connected with a die core 102 extending to the through hole of the pipe 1062. The axle center portion of supporting shoe 104 is equipped with the shrinkage pool that supplies mold core 102 to pass, and the one side of supporting shoe 104 that keeps away from cope match-plate pattern 101 is equipped with ejecting power supply 105, and ejecting power supply 105 adopts ejecting cylinder, and ejecting cylinder's cylinder body fixed connection is in lower bolster 103, and ejecting cylinder's cylinder rod fixed connection is in the one side of supporting shoe 104 that keeps away from cope match-plate pattern 101. The top side of the upper die plate 101 is provided with a forging power source, and the forging power source adopts a hydraulic cylinder on the forging machine tool 31.

Referring to fig. 5, the quenching station 4 is provided with a quenching tank 41, and the quenching tank 41 is a quenching tank 41 disclosed in chinese patent publication No. CN 212051547U. The quenching tank 41 is arranged below the discharge hole of the forging machine tool 31 along the gravity direction, a third slide way 9 is arranged between the quenching tank 41 and the forging machine tool 31, one end of the third slide way 9 is fixedly connected with the discharge hole of the forging machine tool 31, the other end of the third slide way 9 is fixedly connected with the top of the quenching tank 41, and one end, close to the quenching tank 41, of the third slide way 9 is inclined downwards.

Referring to fig. 5, the processing station 5 is provided with a lathe 51 and a grinder 52, and the plating station 6 is provided with a plating tank 61 and a plating rack 62.

Referring to fig. 5, 7, 9, 10 and 11, the working steps are as follows: the tube stock is placed on the work table of the band sawing machine 11, the cylinder rod of the clamping cylinder is extended, the clamping plate 122 is pushed, the tube stock is fixed on the work table of the band sawing machine 11, and the saw blade cuts the pipe 1062 from the tube stock. The cut pipe 1062 is conveyed by the first conveyor 71 into the first slide 751, the first slide 751 positions the pipe 1062 with the axis of the pipe 1062 parallel to the conveying direction until stopped by the first baffle 761, the cylinder rod of the first speed control cylinder is extended, the first push plate 760 pushes the pipe 1062 through the square hole to the second slide 752, the first push plate 760 abuts against the press plate 756, the press plate 756 releases the second pipe 1062, and the second pipe 1062 is conveyed by the first conveyor 71 until abutting against the side of the first push plate 760. The cylinder rod of the first speed control cylinder is retracted, and the second pipe 1062 is conveyed by the first conveyor 71 to abut against the first baffle 761, waiting for the next push. The cylinder rod of the second speed control cylinder is extended to push the second push plate 758, so that the first pipe 1062 is pushed into the feed inlet of the induction heating furnace 21. The tube 1062 is heated and softened and then pushed from the outlet of the induction furnace 21 into the drop channel 81 by the tube 1062 located behind and the second pusher 758. Due to gravity, the pipe 1062 slides into the through hole of the lower die plate 103, the second conveyor belt 82 moves until the three lower die plates 103 positioned on the top side of the second conveyor belt 82 all fall on the pipe 1062, the hydraulic cylinder on the forging machine tool 31 drives the upper die plate 101 to forge the pipe 1062 towards the lower die plate 103 until the three pipe 1062 are forged, the hydraulic cylinder drives the upper die plate 101 to leave the lower die plate 103, the second conveyor belt 82 moves, the molding surfaces of the three lower die plates 103 face downwards, the cylinder rod of the ejection cylinder stretches, the supporting block 104 moves towards the direction away from the second conveyor belt 82 until the pipe 1062 is pushed out of the lower die plate 103 and falls to the third slideway 9, and due to gravity, the third slideway 9 conveys the pipe 1062 into the quenching tank 41, and the forged pipe 1062 is cooled rapidly after being insulated. The pipe 1062 is manually taken out and then machined to a qualified size by the lathe 51, and the pipe 1062 is manually taken out and then ground by the grinder 52, so that the surface roughness of the pipe 1062 is reduced. The tube 1062 is manually mounted to the plating rack 62 and then placed in the plating tank 61, and the surface of the tube 1062 is plated to complete the manufacture of the barbell sleeve 106.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims

1. A barbell sleeve, characterized in that: the barbell sleeve (106) is provided with an annular groove for sliding the slider (114), the barbell rod (112) is provided with a sliding groove for the slider (114) to slide to the annular groove along the radial direction, an accommodating space is formed in the barbell rod (112), and the sliding driving assembly (113) is arranged in the accommodating space of the barbell rod (112);

the slip drive assembly (113) includes: the rotary barbell bar is characterized in that the rotary barbell bar is rotationally connected with a rotating shaft (1131), a connecting rod (1133) and a guide block (1132) which is in threaded connection with the rotating shaft (1131), the rotating shaft (1131) is coaxial with the barbell bar (112), the radial cross section of the guide block (1132) along the rotating shaft (1131) is in a cut-round shape, a through groove for the guide block (1132) to pass through is formed in the accommodating space of the barbell bar (112), the cut-round plane of the guide block (1132) is slidably connected with the side surface of the through groove of the barbell bar (112), one end of the connecting rod (1133) is rotationally connected with the guide block (1132), and the other end of the connecting rod (1133) is rotationally connected with the sliding block (114).

2. The barbell sleeve of claim 1, wherein: the barbell bar is characterized in that a handle (115) is fixedly arranged at one end of the rotating shaft (1131), external threads are arranged at the other end of the rotating shaft (1131), a threaded hole for the rotating shaft (1131) to be in threaded connection is formed in the barbell bar (112), and when the sliding block (114) moves into the annular groove of the barbell sleeve (106), the end part of the rotating shaft (1131) and the bottom of the threaded hole of the barbell bar (112) are abutted against each other.