CN114470625A

CN114470625A - Barbell sleeve and production equipment thereof

Info

Publication number: CN114470625A
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: 2022-05-13
Anticipated expiration: 2041-12-30
Also published as: CN114470625B

Abstract

The invention discloses a barbell sleeve and production equipment thereof, and provides the following technical scheme aiming at the problem that the barbell sleeve is difficult to assemble and disassemble from a barbell rod. The slider is clamped between the annular groove of the barbell sleeve and the chute of the barbell rod, so that the barbell sleeve and the barbell rod are fixed, and the installation of the barbell sleeve on the barbell rod is convenient. When the slide block is slid 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.

Description

Barbell sleeve and production equipment thereof

Technical Field

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

Background

The barbell sleeves are parts fitted to both ends of the barbell bar for mounting and dismounting and supporting the barbell plates. The barbell sleeve protects the barbell bar and prevents the barbell bar from being damaged by the barbell disc with a large weight.

Referring to FIG. 1, barbell sleeve 106 includes a stop 1061 near one end of the barbell bar and a longer tube 1062, with tube 1062 supporting the barbell disc and stop 1061 stopping the disc at the end of the barbell bar to avoid injury to the hands of a person sliding the disc over the bar.

At present, frequent friction exists between the barbell sleeve and the barbell disc, the stress of the barbell sleeve is large, therefore, the barbell sleeve is easy to damage and needs to be frequently replaced, and the current barbell sleeve is troublesome to mount and dismount on the barbell rod, so that the barbell sleeve has an improved space.

In addition, the blocking platform on the barbell sleeve is fixedly connected with the pipe fitting by friction welding, the blocking platform and the barbell sleeve are not integrated, and the barbell disc easily impacts the blocking platform in the use process, so that the blocking platform is separated from the barbell sleeve, the safety of a user is threatened, and the improvement space is provided.

Disclosure of Invention

In view of the disadvantages of the prior art, a first object of the present invention is to provide a barbell sleeve, which has the advantage of easy assembly and disassembly of the barbell sleeve on the barbell bar.

In order to achieve the purpose, the invention provides the following technical scheme:

a barbell sleeve comprises a slider and a sliding driving assembly used for driving the slider to move, wherein an annular groove for the slider to slide is formed in the inner wall of the barbell sleeve, a barbell rod is provided with a sliding groove for the slider to slide to the annular groove along the radial direction, an accommodating space is formed in the barbell rod, and the sliding driving assembly is arranged in the accommodating space of the barbell rod.

Adopt above-mentioned technical scheme, embolia the barbell rod with the barbell sleeve from the tip of barbell rod on, the spout of drive assembly drive slider along the barbell rod slides, make the slider move towards the direction of being close to the telescopic ring channel of barbell, then the slider stretches into the logical groove of barbell rod, extend into the telescopic ring channel of barbell through leading to the groove, the slider supports and leans on logical groove side at barbell sleeve ring channel side and barbell rod, realize the reciprocal anchorage between barbell rod and the barbell sleeve, accomplish the fixed of barbell sleeve on the barbell rod, and the installation of being convenient for. When dismantling the barbell sleeve, the drive assembly that slides drive the slider and remove towards the direction of keeping away from the ring channel, and the slider moves in to the spout of barbell rod along the logical groove of barbell rod, makes the slider shift out the barbell sleeve, realizes the separation of barbell sleeve and barbell rod, and it is convenient to dismantle.

Further, the glide driving assembly comprises: the barbell bar comprises a rotating shaft, a connecting rod and a guide block, wherein the rotating shaft is rotatably connected with the rotating shaft in the accommodating space of the barbell bar, the rotating shaft is coaxial with the barbell bar, the radial cross section of the guide block along the rotating shaft is in a circle-cutting shape, the accommodating space of the barbell bar is provided with a through groove for the guide block to pass through, the circle-cutting plane of the guide block is connected with the side face of the through groove of the barbell bar in a sliding manner, one end of the connecting rod is rotatably connected with the guide block, and the other end of the connecting rod is rotatably connected with a sliding block.

By adopting the technical scheme, the rotating shaft is rotated to drive the guide block to rotate, the circle-cutting 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 towards the middle part close to the barbell bar along the axis of the rotating shaft, and the guide block drives the connecting rod and the sliding block to move to realize the movement of the sliding block.

Furthermore, the slide block is in minimal clearance fit with the side surface of the annular groove of the barbell sleeve.

By adopting the technical scheme, the extremely small clearance fit ensures that the clearance between the side faces of the groove of the sliding block and the annular groove is smaller while the sliding block can slide into the annular groove, the freedom degree of the barbell sleeve relative to the barbell rod is limited, and in the process of using the barbell sleeve, sudden sliding of the barbell disc caused by overlarge moving range between the barbell sleeve and the barbell rod is avoided, the falling risk of the barbell disc is reduced, and the safety of the device is improved.

Further, the fixed handle that is equipped with of one end of pivot, 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 removed to the telescopic ring channel of barbell, the screw hole bottom of pivot tip and barbell pole supported each other and leans on.

Adopt above-mentioned technical scheme, pivot and barbell bar thread engagement, when the slider removed to the telescopic ring channel of barbell, the external screw thread precession of pivot was at the bottom of the hole of the screw hole of barbell bar, prevented the pivot to continue to rotate, when guaranteeing that the slider is in the telescopic ring channel of barbell, can not because the pivot rotates too much and lead to the slider to shift out the telescopic ring channel of barbell, guaranteed that the slider joint is effective between barbell sleeve and barbell bar.

In view of the defects in the prior art, a second object of the present invention is to provide a barbell sleeve production apparatus, which has the advantage of firm fixation between the blocking platform and the barbell sleeve.

a production equipment for barbell sleeve comprises

A cutting station for cutting the tube stock into tubes of fixed length;

a melting station for heating and softening the pipe;

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

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

a machining station for machining the quenched pipe to a qualified size and for providing the pipe with a smooth surface;

an electroplating station, wherein the surface of the processed pipe fitting is electroplated;

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 fixed length by the cutting station, so that the subsequent forging is facilitated. The melting station softens the pipe fitting, is convenient for forge forming, and makes forging easier. The purpose of quenching is to convert the super-cooled austenite into martensite or bainite to obtain a martensite or bainite structure, thereby greatly improving the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of the steel, thereby increasing the rigidity and bending strength of the barbell sleeve and prolonging the service life of the barbell. The machining 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 enables the surface of the barbell sleeve to have the characteristic of corrosion resistance, and the service life of the barbell sleeve is prolonged. The pipe fitting is placed into the through hole of the lower template, the mold core is moved into the through hole of the pipe fitting by the upper mold plate, the upper mold plate moves towards the lower template under the forging and pressing of the forging and pressing power source, and the pipe fitting is extruded out of the blocking table in the forming cavity under the common extrusion of the supporting block, the upper mold plate and the upper mold plate, so that the forging and pressing forming of the blocking table is completed. The blocking platform and the pipe fitting are integrated, so that the blocking platform is more firmly fixed on the pipe fitting. The mold core forms the through hole of the barbell sleeve.

Further, the cutting station includes the band sawing machine and sets up the tight subassembly of clamp that is used for pressing from both sides tight pipe fitting on the band sawing machine, the tight subassembly of clamp includes a plurality of clamping plate that slide and connect in the band sawing machine and the tight power supply of the excircle face that is used for driving clamping plate to press from both sides tight pipe fitting, one side of clamping plate that is close to the pipe fitting is fixed and is equipped with the friction disc.

By adopting the technical scheme, the clamping assembly enables the pipe material not to roll easily in the cutting process, and helps the saw blade to cut the pipe fitting smoothly. The clamping power source drives the clamping plates to clamp the cylindrical pipe, the degree of freedom of the pipe in the direction perpendicular to the axis is limited, and the pipe 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 pipe material from rolling. Simple structure easily realizes, increases the practicality of equipment.

Further, a first conveying assembly used for conveying the cut pipe fitting is arranged between the cutting station and the melting station, and the first conveying assembly comprises a first conveying belt connected with the cutting station and the melting station, a first moving power source used for driving the first conveying belt to move and a speed control assembly used for controlling the conveying speed of the pipe fitting.

Adopt above-mentioned technical scheme, the automatic pipe fitting of carrying of first conveying component increases the automation of equipment. The first mobile power source drives the transmission belt to move, and the pipe fitting moves from the cutting station to the melting station on the first transmission belt by utilizing friction force. The speed control assembly controls the moving speed of the pipe fittings, so that the pipe fittings enter the melting station in order, the phenomenon of congestion is avoided, and the ordered delivery of the pipe fittings 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, second conveying subassembly includes the second conveyer belt of falling passageway and rotation connection in the forging station with melting station and forging station intercommunication, the height along the direction of gravity of melting station is higher than the forging station, a plurality of lower templates of second conveyer belt fixedly connected with uniformly, the one end that is close to the second conveyer belt of falling passageway is coaxial with the through-hole of lower template.

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

Further, the cope match-plate pattern is equipped with the shrinkage pool that supplies the lower bolster to stretch into, minimum clearance fit between the shrinkage pool of cope match-plate pattern and the lower bolster.

By adopting the technical scheme, the lower template extends 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 the lower bolster both guaranteed that the lower bolster can stretch into in the shrinkage pool of cope match-plate pattern smoothly, also guaranteed the positioning accuracy between cope match-plate pattern and the lower bolster to guarantee the shaping precision of shaping cavity.

Furthermore, the supporting block is connected in the through hole of the lower template in a sliding mode and is in minimal clearance fit with the lower template, and an ejection power source used for ejecting the pipe fitting is arranged on one side, far away from the upper template, of the supporting block.

By adopting the technical scheme, the minimum 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 the material of the pipe fitting can not be extruded into the gap between the supporting plate and the lower template when the supporting block extrudes the pipe fitting, thereby avoiding the waste of the material. After the pipe fitting is forged and formed, 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 the pipe fitting is separated from the lower template.

In conclusion, the invention has the following beneficial effects:

1. the slider is clamped between the annular groove of the barbell sleeve and the chute of the barbell rod, so that the barbell sleeve and the barbell rod are fixed, and the installation of the barbell sleeve on the barbell rod is convenient. When the slide block is moved out of the annular groove of the barbell sleeve in a sliding way, the barbell sleeve and the barbell rod can move, so that the barbell sleeve and the barbell rod can be conveniently detached;

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

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

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

5. first transmission assembly and the automatic pipe fitting of carrying of second conveying assembly realize automaticly, and both all are connected with the higher forging station of temperature, avoid the workman to be close to the scald accident that forges the station and cause, increase the security of equipment.

Drawings

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

FIG. 2 is a schematic view showing the construction of a barbell bar according to embodiment 1;

FIG. 3 is a cross-sectional view of the glide 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 example 2;

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

FIG. 7 is a schematic structural view of a first transfer unit according to 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 transfer unit according to embodiment 2;

FIG. 10 is a schematic view of the forged structure of the upper and lower die plates of example 2;

fig. 11 is a schematic structural view of the forging process of the upper and lower die plates of example 2.

In the figure: 1. a cutting station; 11. a band sawing machine; 12. a clamping assembly; 121. a clamping power source; 122. a splint; 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. turning a lathe; 52. grinding machine; 6. electroplating station; 61. an electroplating bath; 62. electroplating frame; 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. pressing a plate; 757. a second speed control power source; 758. a second push plate; 759. a first speed control power source; 760. a first push plate; 761. a first baffle plate; 8. a second transfer assembly; 81. a drop passage; 82. a second conveyor belt; 83. a second source of motive power; 84. a second driving wheel; 85. a second driven wheel; 9. a third slideway; 101. mounting a template; 102. a mold core; 103. a lower template; 104. a support block; 105. ejecting a power source; 106. a barbell sleeve; 1061. blocking the platform; 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 slider; 115. a handle; 116. an end cap; 117. and (7) a shoulder.

Detailed Description

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

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the 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 cylinder of barbell sleeve 106 is provided with an annular groove arranged in the circumferential direction, and rectangular slider 114 is fitted with a very small clearance between the groove side surfaces of the annular groove of barbell sleeve 106. Barbell bar 112 is equipped with two chutes that radially set up, and two sliders 114 slide respectively and connect in two chutes, and two chutes set up along barbell bar 112's circumferencial direction relatively, make two sliders 114's slip direction be located same straight line, make two sliders 114 symmetrical arrangement in barbell sleeve 106's ring channel, utilize the stable characteristics of symmetrical structure, guarantee to fix stably between barbell sleeve 106 and barbell bar 112.

Referring to fig. 3, a through groove is axially formed at the axial center of the barbell bar 112, and the through groove and the sliding groove of the barbell bar 112 form an accommodating space for 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 rotatably connected to the through slot of the barbell bar 112, a guide block 1132 and two connecting rods 1133.

Referring to fig. 4, the shaft 1131 is coaxial with the barbell bar 112, the outer cylindrical surface of the shaft 1131 is provided with an external thread, the guide block 1132 is provided with a through-hole, and the guide block 1132 is in threaded connection with the shaft 1131. The radial cross section of the guide block 1132 along the rotating shaft 1131 is in a circle-cutting shape with two mutually parallel straight lines, that is, the guide block 1132 has two mutually parallel circle-cutting planes 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 sides of the through groove of the barbell bar 112 in a sliding manner.

Referring to fig. 3 and 4, one end of link 1133 is pivotally coupled to guide 1132, and the other end of link 1133 is pivotally coupled to slider 114. The two links 1133 are arranged symmetrically with respect to a plane passing through the axis of the rotating shaft 1131 as a mirror image 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 disposed at one end of the rotating shaft 1131, and the barbell bar 112 is provided with a threaded hole for the rotating shaft 1131 to be screwed, so that when the slider 114 slides into the annular groove of the barbell sleeve 106, the end of the rotating shaft 1131 abuts against the bottom of the threaded hole of the barbell bar 112, thereby preventing the slider 114 from sliding out of the sliding slot of the barbell bar 112 and ensuring that the slider 114 is clamped between the barbell sleeve 106 and the barbell bar 112.

Referring to FIGS. 3 and 4, barbell bar 112 is provided with shoulder 117, and stops 1061 of barbell sleeve 106 abut shoulder 117 of barbell bar 112 to facilitate positioning of barbell sleeve 106 on barbell bar 112 for accurate sliding movement of blocks 114 into the annular groove of barbell sleeve 106.

Referring to FIGS. 3 and 4, the end of the barbell bar 112 is provided with an end cap 116, and the end cap 116 covers the handle 115 to prevent the slider 114 from sliding out of the annular groove due to accidental touching of the handle 115, thereby preventing the barbell sleeve 106 from coming off the barbell bar 112. The end of barbell bar 112 is provided with a clamping groove, the inner circle surface of end cover 116 and the groove side surface of the clamping groove are in interference fit, the end cover 116 is made of plastic, the end cover 116 is pressed on the clamping groove by the elasticity of the plastic, the end cover 116 is fixed on the barbell bar 112 by friction force, and the end cover 116 is convenient to detach from the barbell bar 112 by the elasticity of the plastic, so that the barbell bar is convenient to use.

Referring to FIGS. 3 and 4, end cap 116, handle 115, glide drive assembly 113, and slider 114 are mirrored on the other end of barbell bar 112, with a cross-section perpendicular to the axis at the midpoint of barbell bar 112 being the mirror image plane.

Referring to fig. 3 and 4, the working steps are as follows: removing the end cap 116 from the barbell bar 112, inserting the barbell sleeve 106 from the end of the barbell bar 112 into the barbell bar 112 until the end surface of the stop 1061 abuts against the shoulder 117, rotating the handle 115, the handle 115 driving the rotation shaft 1131, the rotation shaft 1131 driving the guide block 1132 to rotate, the cutting plane of the guide block 1132 sliding on the side surface of the through groove of the barbell bar 112, and making the guide block 1132 moving toward the middle of the barbell bar 112 along the axis of the rotation shaft 1131, thereby driving the two connecting rods 1133 to move, the two connecting rods 1133 driving the two sliders 114 respectively moving toward the annular groove of the barbell sleeve 106 along the sliding grooves of the barbell bar 112, until the end of the rotation shaft 1131 near the middle of the barbell bar 112 abuts against the hole bottom surface of the threaded hole of the barbell bar 112, and the sliders 114 and the barbell bar 112 are covered with the end cap 116, thereby completing the fixation of the barbell sleeve 106 on the barbell bar 112.

Example 2

A production device of barbell sleeves is shown in figure 5 and 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. Cutting station 1, melting station 2, forging station 3, quenching station 4, processing station 5, electroplating station 6 all fix and set up subaerial and follow the direction of delivery in proper order.

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

Referring to fig. 6, the clamping assembly 12 includes two clamping plates 122 symmetrically disposed along the conveying direction, one side of the clamping plate 122 close to the pipe is arc-shaped with the same diameter as the pipe, guide rails 124 are disposed at the bottoms of the two clamping plates 122, the length of the two guide rails 124 is disposed along the conveying direction perpendicular to the conveying direction, the two guide rails 124 are fixedly connected to the workbench with the bed, and the two guide rails 124 are disposed with sliding chutes for the clamping plates 122 to slide along the conveying direction perpendicular to the conveying direction. One side of keeping away from the pipe material of two splint 122 all is equipped with clamping power source 121, and two clamping power source 121 adopt die clamping cylinder, and two die clamping cylinder's the equal fixed connection of cylinder body in band sawing machine 11's workstation, two die clamping cylinder's cylinder pole and splint 122 fixed connection. Friction plates 123 are fixedly arranged on one sides of the two clamping plates 122 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 is an induction heating furnace 21 disclosed in chinese patent with an authorization publication No. CN 206585774U. A first transmission assembly 7 is arranged between the induction heating furnace 21 and the band sawing machine 11. The discharge port of the band sawing machine 11 is positioned higher than the feed port of the induction heating furnace 21 in the direction of gravity.

Referring to fig. 7 and 8, the first transfer assembly 7 includes a first conveyor belt 71, a first slide 751 opened at both top and bottom sides, a second slide 752 opened at both top and bottom sides, and a first moving power source 74. The first moving power source 74 employs a first rotating 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, a machine body of a first rotating motor is fixedly connected to the band sawing machine 11, and an output shaft of the first rotating motor is fixedly connected to the axis of the first driving wheel 72. The first belt 71 is engaged with both the first driving pulley 72 and the first driven pulley 73 and encircles a closed loop.

Referring to fig. 7, 8 and 10, one end of the first slideway 751 is fixedly connected with the discharge hole of the band sawing machine 11, the other end of the first slideway 751 is fixedly connected with one end of the second slideway 752 and is provided with a through hole communicated with the second slideway 752, and the other end of the second slideway 752 is fixedly connected with the feed hole of the induction heating furnace 21. The first slide 751 is disposed above the first conveyor belt 71. A pressing plate 756 is rotatably connected to one side, close to the second slide 752, of one end, far away from the band sawing machine 11, of the first slide 751, a first pushing plate 760 is slidably connected to one side, far away from the second slide 752, of one end, far away from the band sawing machine 11, of the first slide 751, the first pushing plate 760 and the pressing plate 756 can abut against each other, and a square hole for the pipe 1062 to pass through is formed in the bottom of the pressing plate 756. A support plate 753 is fixedly connected to 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, 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 pulling force of the spring 754, the pressure plate 756 presses the pipe 1062 to one side, far away from the second slideway 752, of the first slideway 751. One end of the first slide 751, which is far away from the band sawing machine 11, is provided with a first push plate 760 and a first speed control power source 759, the first speed control power source 759 adopts a first speed control cylinder, a cylinder body of the first speed control cylinder is fixedly connected to the first slide 751, a cylinder rod of the first speed control cylinder is fixedly connected with the first push plate 760, the cylinder rod of the first speed control cylinder is arranged along a direction perpendicular to the conveying direction, the first push plate 760 is arranged along the conveying direction, one end of the first push plate 760, which is far away from the first slide 751, is fixedly provided with a first baffle 761, and the first baffle 761 is arranged along a direction perpendicular to the conveying direction.

Referring to fig. 7 and 8, a second push plate 758 and a second speed control power source 757 are disposed at one end of the second slide 752 close to the band sawing machine 11, a second speed control cylinder is adopted as the second speed control power source 757, a cylinder body of the second speed control cylinder is fixedly connected to the second slide 752, a 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 disposed in a direction parallel to the conveying direction.

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

Referring to fig. 5 and 9, the table of the forging machine 31 is rotatably connected with a second driving pulley 84 and a second driven pulley 85, the body of the second rotating electrical machine is fixedly connected with the table of the forging machine 31, and the output shaft of the second rotating electrical machine is fixedly connected with the axial center of the second driving pulley 84. The second conveyor belt 82 is engaged with both the second drive pulley 84 and the second driven pulley 85 and looped in a closed loop.

Referring to fig. 5 and 9, one end of the dropping passage 81 is fixedly connected to the discharge port of the induction heating furnace 21, the other end of the dropping passage 81 is fixedly connected to the table of the forging machine 31, and the height of the induction heating furnace 21 in the gravity direction is higher than that of the forging machine 31. One end of the drop passage 81 near the forging machine 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, the lower templates 103 are provided with through holes into which the pipe elements 1062 extend, and the axis of the downward bent pipeline 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 elements 1062 fall into the through holes of the lower templates 103.

Referring to fig. 10 and 11, a cylindrical support block 104 is slidably connected in the through hole of the lower template 103, and the support block 104 is in minimal clearance fit with the lower template 103. The top of lower bolster 103 is equipped with columniform 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 between the shrinkage pool of cope match-plate pattern 101 and the lower bolster 103 and supplies to keep off the fashioned shaping cavity of platform 1061. The outer circular surface of the lower template 103 is in minimal clearance fit with the hole wall of the upper template 101. A mold core 102 extending to a through hole of the pipe 1062 is fixedly connected to the bottom of the concave hole of the upper mold plate 101. A concave hole for the mold core 102 to pass through is formed in the shaft center of the supporting block 104, an ejection power source 105 is arranged on one side, far away from the upper mold plate 101, of the supporting block 104, the ejection power source 105 adopts an ejection cylinder, the cylinder body of the ejection cylinder is fixedly connected to the lower mold plate 103, and the cylinder rod of the ejection cylinder is fixedly connected to one side, far away from the upper mold plate 101, of the supporting block 104. The top side of the upper die plate 101 is provided with a forging power source which adopts a hydraulic cylinder on a forging machine 31.

Referring to fig. 5, the quenching station 4 is provided with a quenching tank 41, and the quenching tank 41 adopts the quenching tank 41 disclosed in the chinese patent with the publication number CN 212051547U. The quenching tank 41 is arranged below the discharge port 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 port 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 of the third slide way 9 close to the quenching tank 41 is inclined downwards.

Referring to fig. 5, the machining 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 frame 62.

Referring to fig. 5, 7, 9, 10 and 11, the working steps are: the tubing is placed on the table of the band saw machine 11 and the cylinder rod of the clamping cylinder is extended to push the clamp plate 122 to secure the tubing on the table of the band saw machine 11 and the saw blade cuts the tubular component 1062 from the tubing. The cut tube 1062 is conveyed by the first conveyor 71 to the first slide 751, the first slide 751 positions the tube 1062 such that the axis of the tube 1062 is parallel to the conveying direction until it is stopped by the first stop 761, the rod of the first speed control cylinder is extended, the first push plate 760 pushes the tube 1062 to the second slide 752 through the square hole, and the first push plate 760 abuts against the press plate 756 such that the press plate 756 releases the second tube 1062, and the second tube 1062 is conveyed by the first conveyor 71 until it abuts against the side of the first push plate 760. The 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 pushing. The rod of the second speed control cylinder is extended to push the second pushing plate 758, so as to push the first pipe 1062 into the feeding hole of the induction heating furnace 21. The pipe 1062 is heated and softened and then pushed from the outlet of the induction heating furnace 21 into the dropping passage 81 by the pipe 1062 and the second pusher 758 located at the rear. 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 on the top side of the second conveyor belt 82 all fall on the pipe 1062, the hydraulic cylinder on the forging machine 31 drives the upper die plate 101 to forge the pipe 1062 towards the lower die plate 103 until the three pipes 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 to enable the forming surfaces of the three lower die plates 103 to face downwards, the cylinder rod of the ejection cylinder extends to push the supporting block 104 to move in the direction away from the second conveyor belt 82 until the pipe 1062 is pushed out of the lower die plate 103 and falls onto 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 kept warm. 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. After the pipe 1062 is manually mounted on the plating frame 62, it is placed in the plating tank 61, and the surface of the pipe 1062 is plated, thereby completing the production of the barbell sleeve 106.

The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A barbell sleeve, comprising: the barbell rod comprises a sliding block (114) and a sliding driving assembly (113) used for driving the sliding block (114) to move, wherein an annular groove for the sliding block (114) to slide is formed in the inner wall of a barbell sleeve (106), a barbell rod (112) is provided with a sliding groove for the sliding block (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).

2. A barbell sleeve according to claim 1, wherein: the slip drive assembly (113) comprises: rotate connect in pivot (1131), connecting rod (1133) in the accommodation space of barbell bar (112) and with pivot (1131) threaded connection's guide block (1132), pivot (1131) are coaxial with barbell bar (112), the radial cross section in pivot (1131) of edge of guide block (1132) is for cutting the circle form, the accommodation space of barbell bar (112) is equipped with the logical groove that supplies guide block (1132) to pass, the circle of contact plane of guide block (1132) slides with the logical groove side of barbell bar (112) and is connected, the one end of connecting rod (1133) is rotated and is connected in guide block (1132), the other end rotation of connecting rod (1133) is connected in slider (114).

3. A barbell sleeve as claimed in claim 2, wherein: the sliding block (114) is in minimal clearance fit with the groove side surface of the annular groove of the barbell sleeve (106).

4. The barbell sleeve as claimed in claim 2, wherein: the fixed handle (115) that is equipped with of one end of pivot (1131), the other end of pivot (1131) is equipped with the external screw thread, barbell bar (112) are equipped with the screw hole that supplies pivot (1131) threaded connection, so that when slider (114) removed the ring channel of barbell sleeve (106) in, pivot (1131) tip and barbell bar (112) the screw hole bottom support each other and lean on.

5. The utility model provides a telescopic production facility of barbell which characterized in that: comprises that

A cutting station (1) for cutting the tube (1062) to a fixed length;

a melting station (2) for heating and softening the cut pipe (1062);

the forging station (3) is used for forging and pressing the softened pipe fitting (1062) out of the blocking table (1061) and comprises an upper template (101), a lower template (103) and a forging and pressing power source for driving the upper template (101) to forge and press towards the lower template (103), the upper template (101) is fixedly connected with a mold core (102) extending to a through hole of the pipe fitting (1062), the lower template (103) is provided with a through hole for the pipe fitting (1062) to extend into, a supporting block (104) is arranged in the through hole of the lower template (103), a forming cavity for forming the blocking table (1061) is arranged between the lower template (103) and the upper template (101), and the supporting block (104) is provided with a concave hole for the mold core (102) to pass through;

the quenching station (4) is used for rapidly cooling the forged pipe fitting (1062) after heat preservation;

a machining station (5) for machining the quenched pipe (1062) to an acceptable size and for providing the pipe (1062) with a smooth surface;

an electroplating station (6) for electroplating the surface of the processed pipe (1062);

the pipe cutting station (1062), the melting station (2), the forging station (3), the quenching station (4), the processing station (5) and the electroplating station (6) are sequentially arranged along the conveying direction.

6. The apparatus for producing a barbell sleeve as claimed in claim 5, wherein: cutting station (1) include band saw (11) and set up in clamping component (12) that are used for pressing from both sides tight pipe fitting (1062) of band saw (11), clamping component (12) include a plurality of slide connect in splint (122) of band saw (11) and be used for driving splint (122) to press from both sides tight power supply (121) of the excircle face of tight pipe fitting (1062), the fixed friction disc (123) that is equipped with in one side of being close to pipe fitting (1062) of splint (122).

7. The apparatus for producing a barbell sleeve as claimed in claim 5, wherein: a first conveying assembly (7) used for conveying the pipe fittings (1062) after being cut into sections is arranged between the cutting station (1) and the melting station (2), and the first conveying assembly (7) comprises a first conveying belt (71) connected with the cutting station (1) and the melting station (2), a first moving power source (74) used for driving the first conveying belt (71) to move and a speed control assembly (75) used for controlling the conveying speed of the pipe fittings (1062).

8. The apparatus for producing a barbell sleeve as claimed in claim 5, wherein: be equipped with second transfer module (8) that are used for carrying pipe fitting (1062) after softening between melting station (2) and forging station (3), second transfer module (8) are including falling passageway (81) and rotation that communicate melting station (2) and forging station (3) and connecting in second conveyer belt (82) of forging station (3), the height along the direction of gravity of melting station (2) is higher than forging station (3), a plurality of lower templates (103) of second conveyer belt (82) fixedly connected with uniformly, the one end that is close to second conveyer belt (82) of falling passageway (81) is coaxial with the through-hole of lower bolster (103).

9. The apparatus for producing a barbell sleeve as claimed in claim 5, wherein: the upper die plate (101) is provided with a concave hole for the lower die plate (103) to stretch into, and the concave hole of the upper die plate (101) is in clearance fit with the lower die plate (103) in a minimum mode.

10. The apparatus for producing a barbell sleeve as claimed in claim 5, wherein: the supporting block (104) is connected in a through hole of the lower template (103) in a sliding mode and is in minimal clearance fit with the lower template (103), and an ejection power source (105) used for ejecting the pipe fitting (1062) is arranged on one side, far away from the upper template (101), of the supporting block (104).