CN112757100B

CN112757100B - High rigidity hi-lite gold is sanding device for ornament

Info

Publication number: CN112757100B
Application number: CN202011616619.7A
Authority: CN
Inventors: 李凯成
Original assignee: Shenzhen Runfujin Technology Development Co ltd
Current assignee: Shenzhen Runfujin Technology Development Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-12-13
Anticipated expiration: 2040-12-30
Also published as: CN112757100A

Abstract

The invention relates to the technical field of sanding machines, and discloses a sanding device for high-hardness and high-brightness gold jewelry. Place the gold bar at the top of rubber pad, then rotate the holding rod and drive fixed cover through the dwang and rotate, fixed cover drives the balance plate and rotates, slide bar slope gravity makes the heavy object ball slide to the one end of highly low to it is fixed with the gold bar, can avoid fixed with the hand when polishing the gold bar like this, thereby liberate user's both hands, can the both hands operate the gold bar and sand the processing, thereby promoted the operating mass who sands and handle.

Description

High rigidity hi-lite gold is sanding device for ornament

Technical Field

The invention relates to the technical field of sanding machines, in particular to a sanding device for high-hardness and high-brightness gold jewelry.

Background

The sand blasting machine is also called as sand making machine, and in the casting machinery industry, the sand blasting machine is a frequently used sand processing device. When processing gold jewelry, need earlier to carry out sanding to gold raw materials gold bar, current sanding mode adopts artifical single operation mostly, and that is to say that the operator holds the gold bar in one hand, and the other hand holds the sanding machine and progressively sands its surface for the gold bar surface is smooth. Like this a hand need fix the gold bar when sanding, only can be through a forward operation sanding machine, and one hand operation is very inconvenient to can reduce the quality of gold bar sanding, so need a gold sanding device that can liberate user's both hands urgent.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the sanding device for the high-hardness and high-brightness gold jewelry, which has the advantages of fixing a gold bar, improving the sanding quality of the gold bar and the like, and solves the problem that manual fixing is inconvenient for sanding today.

(II) technical scheme

In order to realize the purposes of fixing the gold bar and improving sanding of the gold bar, the invention provides the following technical scheme: a sanding device for high-hardness and high-brightness gold jewelry comprises a workbench, wherein a sanding machine is arranged on the top of the workbench, a pre-storage frame is fixedly connected to the top of the workbench, a feeding frame is fixedly connected to the right side of the pre-storage frame, the pre-storage frame and the feeding frame are fixedly connected to the top of the workbench in a T shape, the pre-storage frame is communicated with the interior of the feeding frame, a gold bar is arranged inside the pre-storage frame, a moving rod is slidably connected to the left side of the pre-storage frame, a connecting block is fixedly connected to the left end of the moving rod, a push block is fixedly connected to the right end of the moving rod in a penetrating mode, the right end of the moving rod is fixedly connected with the pre-storage frame and the push block, the push block is slidably connected inside the pre-storage frame, the push block is in contact with the gold bar, the gold bar is slidably connected inside the pre-storage frame, two positioning blocks are fixedly connected to the top of the workbench, and are both positioned on the rear side of the sanding machine and are not in contact with the sanding machine, a rotating rod is rotatably connected to the opposite surfaces of the two positioning blocks, a holding rod is fixedly connected to the rear end of the rotating rod, the rear end of the rotating rod penetrates through the positioning blocks and is fixedly connected with the holding rod, a fixing sleeve is fixedly sleeved on the rotating rod, a balance plate is fixedly connected to the top of the fixing sleeve, pressing blocks are fixedly connected to the left end and the right end of the bottom of the balance plate, check blocks are fixedly connected to the left end and the right end of the top of the balance plate, slide rods are fixedly connected to the opposite surfaces of the two check blocks, heavy balls are sleeved on the slide rods in a sliding manner, a push rod is slidably connected in the feeding frame, a slide block is fixedly connected to the front end of the push rod and is slidably connected in the feeding frame, a connecting rod is fixedly connected to the rear end of the push rod, a groove is formed in the top of the connecting rod, a motor is fixedly connected to the inner part of the workbench, a transmission rod is fixedly connected to the output end of the motor, and a transmission block is rotatably connected to the top of the transmission rod, the transmission block is connected in the groove in a sliding way,

preferably, the prestoring frame is fixedly connected with first fixed blocks on the front side and the rear side, the connecting block is fixedly connected with second fixed blocks on the front side and the rear side, and tension springs are fixedly connected to opposite surfaces of the first fixed blocks and the second fixed blocks on the same side

Preferably, the top of the workbench is fixedly connected with two rubber pads, and the two rubber pads are respectively positioned below the two pressing blocks.

Preferably, the front end fixedly connected with swinging arms of dwang, the front end of dwang run through locating piece and swinging arms fixed connection, and the left and right sides of swinging arms all is provided with the stopper, and the equal fixed connection of two stoppers is on the locating piece.

Preferably, the transmission rod is not in contact with the push rod.

(III) advantageous effects

Compared with the prior art, the invention provides a sanding device for high-hardness and high-brightness gold jewelry, which has the following beneficial effects:

1. this sanding device for gold jewelry with high rigidity high brightness places the gold bar at the top of rubber pad, then rotates the holding rod and passes through the dwang and drive fixed cover and rotate, fixed cover drives the balance plate and rotates to lead to the slide bar slope, slide bar slope gravity makes the heavy object ball slide to the one end that highly hangs down, thereby it is fixed to fix the gold bar, can avoid fixing with the hand when polishing the gold bar like this, thereby liberate user's both hands, can sand the gold bar with the operation of both hands, thereby the operating quality who sands the processing has been promoted.

2. This high rigidity hi-lite gold is sanding device for ornament passes through the connecting block through the pulling connecting block and drives the ejector pad and move left, then places gold bar style of calligraphy in the inside of prestoring the frame, then loosens the connecting block and utilizes the pulling force of extension spring to stimulate the connecting block right through the second fixed block, the connecting block moves right and drives the ejector pad through the carriage release lever and move right to release the gold bar from prestoring the frame, thereby accomplish automatic feeding and practiced thrift artifical material loading and reduced the cost of labor.

3. This sanding device for high rigidity hi-lite gold ornament, the equal fixed connection of two stoppers is on the locating piece, and the setting up of two stoppers limits restricts the swinging arms pivoted scope to restriction dwang pivoted scope makes the balance plate can only swing like this, thereby has made two briquetting can be smooth when using push down the gold bar, thereby has reduced the device's fault rate.

4. This high rigidity hi-lite gold is sanding device for ornament, it rotates to drive the transmission piece through the transfer line through switch-on external power supply starter motor, carry out reciprocating motion in the inside of recess when the transmission piece rotates, utilize the power that the motor provided to extrude the connecting rod when the transmission piece rotates and drive push rod and slider reciprocating motion in the material loading frame simultaneously, thereby the slider is located the intercommunication department that prestores frame and material loading frame under the initial condition and blocks the gold bar, when the slider backward movement, first gold bar is pushed in the material loading frame, then the slider moves forward and promotes the gold bar forward, thereby repeat this motion process and accomplish autoloading's process, artifical pay-off has been saved, the cost of labor is reduced, thereby the cost of having reduced production and processing has promoted economic benefits.

5. This high rigidity hi-lite gold is sanding device for ornament, two rubber pads of workstation top fixedly connected with, two rubber pads are located the below of two briquetting respectively, when using the device, place the gold bar at the top of rubber pad, then rotate the holding rod and drive fixed cover through the dwang and rotate, fixed cover drives the balance plate and rotates, thereby lead to the slide bar slope, slide bar slope gravity makes the heavy object ball slide to the one end of highly low, thereby it is fixed with the gold bar, through the setting of rubber pad, the effect of protection has been played to the bottom of gold bar, avoid gold bar bottom surface and workstation friction to lead to the gold bar wearing and tearing.

Drawings

FIG. 1 is a schematic structural diagram of a sanding device for high-hardness and high-brightness gold jewelry, provided by the invention;

FIG. 2 is a schematic diagram of the prescription A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of FIG. 2 at B;

FIG. 4 is a schematic diagram of the schematic structure of the prescription C of FIG. 1;

FIG. 5 is a schematic diagram of the large graph of formula D in FIG. 1 according to the present invention;

FIG. 6 is a schematic structural view of a transmission rod of a sanding device for high-hardness and high-brightness gold jewelry.

In the figure: 1 workbench, 2 prestoring frames, 3 sanding machines, 4 feeding frames, 5 moving rods, 6 connecting blocks, 7 pushing blocks, 8 gold bars, 9 first fixing blocks, 10 pushing rods, 11 sliding blocks, 12 connecting rods, 13 grooves, 14 rubber pads, 15 positioning blocks, 16 rotating rods, 17 holding rods, 18 fixing sleeves, 19 balance plates, 20 pressing blocks, 21 stop blocks, 22 sliding rods, 23 heavy object balls, 24 swinging rods, 25 limiting blocks, 26 second fixing blocks, 27 tension springs, 28 transmission blocks, 29 transmission rods and 30 motors.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a new technical solution:

implementation scheme one

The utility model provides a high rigidity hi-lite gold jewelry is with sanding device, including workstation 1, the top fixedly connected with of workstation 1 prestores frame 2, prestore frame 2's right side fixedly connected with material loading frame 4, prestore frame 2 and material loading frame 4 be the top of "T" style of calligraphy fixed connection at workstation 1, prestore frame 2 and material loading frame 4's inside and communicate with each other, workstation 1's top is provided with sanding machine 3, sanding machine 3 is current structure, do not do too much the narration here, prestore frame 2's inside and be provided with gold bar 8, when using the device, prevent gold bar 8 in prestore frame 2 in advance, use gold bar 8 to add man-hour when needs, take out gold bar 8 from prestore frame 2, use sanding machine 3 to sand gold bar 8, thereby make the gold bar surface smooth.

Example two

A sanding device for high-hardness and high-brightness gold jewelry comprises a workbench 1, a pre-storage frame 2 is fixedly connected to the top of the workbench 1, a feeding frame 4 is fixedly connected to the right side of the pre-storage frame 2, the pre-storage frame 2 and the feeding frame 4 are fixedly connected to the top of the workbench 1 in a T-shaped mode, the pre-storage frame 2 is communicated with the interior of the feeding frame 4, a sanding machine 3 is arranged on the top of the workbench 1, the sanding machine 3 is of a conventional structure, no description is given here, a gold bar 8 is arranged inside the pre-storage frame 2, when the device is used, the gold bar 8 is prevented from being stored in the pre-storage frame 2 in advance, when the gold bar 8 needs to be used for machining, the gold bar 8 is taken out of the pre-storage frame 2, sanding treatment is performed on the gold bar 8 by the sanding machine 3, the surface of the gold bar is smooth, a moving rod 5 is slidably connected to the left side of the pre-storage frame 2, and a connecting block 6 is fixedly connected to the left end of the moving rod 5, the right end of the moving rod 5 is fixedly connected with a push block 7, the right end of the moving rod 5 penetrates through the pre-storage frame 2 and is fixedly connected with the push block 7, the push block 7 is slidably connected inside the pre-storage frame 2, the push block 7 is in contact with a gold bar 8, the gold bar 8 is slidably connected inside the pre-storage frame 2, the front side and the rear side of the pre-storage frame 2 are fixedly connected with first fixed blocks 9, the front side and the rear side of the connecting block 6 are fixedly connected with second fixed blocks 26, the opposite surfaces of the first fixed block 9 and the second fixed block 26 on the same side are fixedly connected with tension springs 27, when the device is used, the push block 7 is driven to move leftwards by pulling the connecting block 6 through the connecting block 6, then the gold bar 8 is placed inside the pre-storage frame 2 in a straight shape, then the connecting block 6 is loosened, the connecting block 6 is pulled rightwards by the tension springs 26, the connecting block 6 is driven to move rightwards by the moving rod 5 to drive the push block 7 to move rightwards, therefore, the gold bar 8 is pushed out from the pre-storage frame 2, automatic feeding is completed, manual feeding is saved, and labor cost is reduced.

EXAMPLE III

A sanding device for high-hardness and high-brightness gold jewelry comprises a workbench 1, a pre-storage frame 2 is fixedly connected to the top of the workbench 1, a feeding frame 4 is fixedly connected to the right side of the pre-storage frame 2, the pre-storage frame 2 and the feeding frame 4 are fixedly connected to the top of the workbench 1 in a T shape, the pre-storage frame 2 is communicated with the inside of the feeding frame 4, a sanding machine 3 is arranged at the top of the workbench 1, the sanding machine 3 is of an existing structure and does not describe much, a gold bar 8 is arranged inside the pre-storage frame 2, two positioning blocks 15 are fixedly connected to the top of the workbench 1, the two positioning blocks 15 are both positioned at the rear side of the sanding machine 3 and do not contact with the sanding machine 3, two pressing blocks 20 are fixedly connected to the opposite sides of the two positioning blocks 15, a holding rod 17 is fixedly connected to the rear end of the rotating rod 16, a fixing sleeve 18 is fixedly connected to the positioning block 15 and the holding rod 17, a fixing sleeve 18 is fixedly connected to the rotating sleeve 18, a balancing plate 19 is fixedly connected to the left and right ends of the bottom of the balancing plate 19, two pressing blocks 20 are fixedly connected to the sliding block 21, two sliding blocks 14, and a gravity pressing block 14 is connected to the sliding block 14, the sliding block 14 is arranged on the top of the sliding ball 14, and a gravity pressing block 14, thereby it is fixed with gold bar 8, can avoid fixing with the hand when polishing gold bar 8 like this, thereby liberate user's both hands, can two-handed operation handle the gold bar of polishing, thereby the operating mass who handles of polishing has been promoted, the front end fixedly connected with swinging arms 24 of dwang 16, locating piece 15 and swinging arms 24 fixed connection are run through to the front end of dwang 16, the left and right sides of swinging arms 24 all is provided with stopper 25, two equal fixed connection of stopper 25 are on locating piece 15, two stopper 25 set up the restriction swinging arms 24 pivoted scope, thereby restrict dwang 16 pivoted scope, make balance plate 19 can only swing like this, thereby make two briquetting 20 can be smooth when using push down gold bar 8, thereby the fault rate of the device has been reduced.

Example four

A sanding device for high-hardness and high-brightness gold jewelry comprises a workbench 1, a pre-storage frame 2 is fixedly connected to the top of the workbench 1, a feeding frame 4 is fixedly connected to the right side of the pre-storage frame 2, the pre-storage frame 2 and the feeding frame 4 are fixedly connected to the top of the workbench 1 in a T shape, the pre-storage frame 2 is communicated with the interior of the feeding frame 4, a sanding machine 3 is arranged at the top of the workbench 1, the sanding machine 3 is of a conventional structure and does not describe too much, a gold bar 8 is arranged inside the pre-storage frame 2, a push rod 10 is slidably connected in the feeding frame 4, a slide block 11 is fixedly connected to the front end of the push rod 10, the slide block 11 is slidably connected in the feeding frame 4, a connecting rod 12 is fixedly connected to the rear end of the push rod 10, a groove 13 is formed in the top of the connecting rod 12, a motor 30 is fixedly connected to the interior of the workbench 1, the motor 30 is of a conventional structure and does not describe too much here, the output end of the motor 30 is fixedly connected with a transmission rod 29, the top of the transmission rod 29 is rotatably connected with a transmission block 28, the transmission block 28 is slidably connected inside the groove 13, the transmission rod 29 is not contacted with the push rod 10, when the device is used, the motor 30 is started by switching on an external power supply to drive the transmission block 28 to rotate through the transmission rod 29, the transmission block 28 reciprocates inside the groove 13 when rotating, the power provided by the motor 30 is utilized to extrude the connecting rod 12 when the transmission block 28 rotates and drive the push rod 10 and the slide block 11 to reciprocate in the feeding frame 4, the slide block 11 is positioned at the communication part of the prestoring frame 2 and the feeding frame 4 in an initial state so as to block the gold bar 8, when the slide block 11 moves backwards, the first gold bar 8 is pushed into the feeding frame 4, then the slide block 11 moves forwards to push the gold bar 8 forwards, and the motion process is repeated so as to finish the automatic feeding process, manual feeding is omitted, labor cost is reduced, and therefore production and processing costs are reduced, and economic benefits are improved.

The working principle is as follows:

firstly, the connecting block 6 is pulled to drive the push block 7 to move leftwards through the connecting block 6, then the gold bar 8 is placed in the pre-storage frame 2 in a linear shape, then the connecting block 6 is loosened to pull the connecting block 6 rightwards through the second fixing block 26 by utilizing the pulling force of the tension spring 27, the connecting block 6 moves rightwards, and the push block 7 is driven to move rightwards through the moving rod 5, so that the gold bar 8 is pushed out of the pre-storage frame 2, automatic feeding is completed, manual feeding is saved, and labor cost is reduced;

secondly, placing the gold bar 8 on the top of the rubber pad 14, then rotating the holding rod 17 to drive the fixing sleeve 18 to rotate through the rotating rod 16, driving the balance plate 19 to rotate by the fixing sleeve 18, so that the sliding rod 22 inclines, and the gravity of the inclined sliding rod 22 enables the weight ball 23 to slide to one end with a low height, so that the pressing block 20 on the side is pressed on the top of the gold bar 8, thereby fixing the gold bar 8, so that the gold bar 8 can be prevented from being fixed by hands when being polished, thereby freeing the hands of a user, performing sanding treatment on the gold bar by the hands, and further improving the work quality of sanding treatment;

thirdly, the two limit blocks 25 are fixedly connected to the positioning block 15, the two limit blocks 25 limit the rotation range of the swinging rod 24, so that the rotation range of the rotating rod 16 is limited, the balance plate 19 can only swing, the two pressing blocks 20 can smoothly press the gold bar 8 when in use, and the failure rate of the device is reduced;

fourthly, the motor 30 is started by switching on an external power supply to drive the transmission block 28 to rotate through the transmission rod 29, the transmission block 28 reciprocates in the groove 13 when rotating, the connecting rod 12 is extruded by utilizing power provided by the motor 30 when the transmission block 28 rotates, meanwhile, the push rod 10 and the slide block 11 are driven to reciprocate in the loading frame 4, the slide block 11 is located at the communication position of the pre-storage frame 2 and the loading frame 4 in an initial state so as to block the gold bar 8, when the slide block 11 moves backwards, the first gold bar 8 is pushed into the loading frame 4, then the slide block 11 moves forwards to push the gold bar 8 forwards, the motion process is repeated to complete the automatic feeding process, manual feeding is omitted, the labor cost is reduced, and the production and processing cost is reduced, so that the economic benefit is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sanding method of a sanding device for high-hardness and high-brightness gold jewelry is based on the following sanding device: including workstation (1), the top of workstation (1) is provided with sanding machine (3), its characterized in that: the top of the workbench (1) is fixedly connected with a pre-storage frame (2), the right side of the pre-storage frame (2) is fixedly connected with a feeding frame (4), the pre-storage frame (2) and the feeding frame (4) are fixedly connected to the top of the workbench (1) in a T shape, the pre-storage frame (2) is communicated with the interior of the feeding frame (4), and a gold bar (8) is arranged in the pre-storage frame (2); the left side of the prestoring frame (2) is slidably connected with a moving rod (5), the left end of the moving rod (5) is fixedly connected with a connecting block (6), the right end of the moving rod (5) is fixedly connected with a push block (7), the right end of the moving rod (5) penetrates through the prestoring frame (2) and is fixedly connected with the push block (7), the push block (7) is slidably connected inside the prestoring frame (2), and a gold bar (8) is slidably connected inside the prestoring frame (2); the top of the workbench (1) is fixedly connected with two positioning blocks (15), opposite faces of the two positioning blocks (15) are rotatably connected with a rotating rod (16), the rear end of the rotating rod (16) is fixedly connected with a holding rod (17), the rear end of the rotating rod (16) penetrates through the positioning blocks (15) and is fixedly connected with the holding rod (17), the rotating rod (16) is fixedly sleeved with a fixing sleeve (18), the top of the fixing sleeve (18) is fixedly connected with a balance plate (19), the left end and the right end of the bottom of the balance plate (19) are fixedly connected with pressing blocks (20), the left end and the right end of the top of the balance plate (19) are fixedly connected with check blocks (21), opposite faces of the two check blocks (21) are fixedly connected with sliding rods (22), and the sliding rods (22) are slidably sleeved with weight balls (23); a push rod (10) is connected in the feeding frame (4) in a sliding mode, a sliding block (11) is fixedly connected to the front end of the push rod (10), the sliding block (11) is connected in the feeding frame (4) in a sliding mode, a connecting rod (12) is fixedly connected to the rear end of the push rod (10), a groove (13) is formed in the top of the connecting rod (12), a motor (30) is fixedly connected to the inner portion of the workbench (1), a transmission rod (29) is fixedly connected to the output end of the motor (30), a transmission block (28) is rotatably connected to the top of the transmission rod (29), and the transmission block (28) is connected to the inner portion of the groove (13) in a sliding mode; the front side and the rear side of the prestoring frame (2) are fixedly connected with first fixed blocks (9), the front side and the rear side of the connecting block (6) are fixedly connected with second fixed blocks (26), and tension springs (27) are fixedly connected to opposite surfaces of the first fixed blocks (9) and the second fixed blocks (26) on the same side; the top of the workbench (1) is fixedly connected with two rubber pads (14); the front end of the rotating rod (16) is fixedly connected with a swinging rod (24), the front end of the rotating rod (16) penetrates through the positioning block (15) and is fixedly connected with the swinging rod (24), the left side and the right side of the swinging rod (24) are respectively provided with a limiting block (25), and the two limiting blocks (25) are both fixedly connected to the positioning block (15); the transmission rod (29) is not contacted with the push rod (10); the push block (7) is in contact with the gold bar (8); the two rubber pads (14) are respectively positioned below the two pressing blocks (20); the two positioning blocks (15) are both positioned at the rear side of the sanding machine (3) and are not in contact with the sanding machine (3);

the sanding method is characterized by comprising the following steps:

firstly, a push block (7) is driven to move leftwards by pulling a connecting block (6), then a gold bar (8) is placed in a linear shape inside a pre-storage frame (2), then the connecting block (6) is loosened, the connecting block (6) is pulled rightwards by a second fixing block (26) through the pulling force of a tension spring (27), the connecting block (6) moves rightwards, the push block (7) is driven to move rightwards by a moving rod (5), and therefore the gold bar (8) is pushed out from the pre-storage frame (2), and therefore automatic feeding is completed, and labor cost is reduced;

secondly, placing the gold bar (8) at the top of a rubber pad (14), then rotating a holding rod (17), driving a fixing sleeve (18) to rotate through a rotating rod (16), driving a balance plate (19) to rotate through the fixing sleeve (18), so as to lead a sliding rod (22) to incline, leading a heavy object ball (23) to slide to one end with low height under the action of gravity due to the inclination of the sliding rod (22), and leading a pressing block (20) on the side to be pressed at the top of the gold bar (8), so as to fix the gold bar (8), so that the gold bar (8) is prevented from being fixed by hands when being polished, thereby freeing the hands of a user, sanding the gold bar by two-hand operation, and further improving the working quality of sanding;

thirdly, the two limiting blocks (25) are fixedly connected to the positioning block (15), the arrangement of the two limiting blocks (25) limits the rotating range of the swinging rod (24), so that the rotating range of the rotating rod (16) is limited, the balance plate (19) can only swing, the two pressing blocks (20) can smoothly press the gold bar (8) when in use, and the failure rate of the device is reduced;

fourthly, the transmission rod (29) starts the motor (30) by switching on an external power supply, the motor (30) drives the transmission block (28) to rotate through the transmission rod (29), the transmission block (28) reciprocates in the groove (13) when rotating, the connecting rod (12) is extruded by power provided by the motor (30) when the transmission block (28) rotates, meanwhile, the push rod (10) and the sliding block (11) are driven to reciprocate in the loading frame (4), the sliding block (11) is located at the communication position of the pre-storage frame (2) and the loading frame (4) in the initial state, so that the gold bar (8) is blocked, when the sliding block (11) moves backwards, the gold bar (8) is pushed into the loading frame (4), then the sliding block (11) moves forwards to push the gold bar (8) forwards, the motion process is repeated, and the automatic feeding process is completed.