CN115214915B

CN115214915B - Filling counterweight sealing cover device and manufacturing process thereof

Info

Publication number: CN115214915B
Application number: CN202210669057.5A
Authority: CN
Inventors: 王大为
Original assignee: Zhejiang Shanmei Machinery Manufacturing Co ltd
Current assignee: Zhejiang Shanmei Machinery Manufacturing Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-08-18
Anticipated expiration: 2042-06-14
Also published as: CN115214915A

Abstract

The invention relates to the technical field of manufacturing of counterweight sealing covers, in particular to a filling counterweight sealing cover device and a manufacturing process thereof, wherein the filling counterweight sealing cover device comprises a conveying device, a sealing cover device and a counterweight, the sealing cover device is arranged beside the conveying device, the conveying device is used for conveying the counterweight, the sealing cover device is used for sealing the counterweight, the conveying device comprises a base, two sides of the base are fixedly provided with baffle plates, a plurality of driving rollers are sequentially arranged on the base along the length direction of the base, the counterweight is placed on the driving rollers, a feeding hopper for filling the counterweight is fixedly arranged on the base and above the driving rollers, and a limiting mechanism for limiting the counterweight to slide on the driving rollers is arranged inside the base and below the driving rollers.

Description

Filling counterweight sealing cover device and manufacturing process thereof

Technical Field

The invention relates to the technical field of manufacturing of counterweight sealing covers, in particular to a filling counterweight sealing cover device and a manufacturing process thereof.

Background

The foundry industry has long been the basic industry of manufacturing industry, but also the basic industry of national economy, and automobiles, machine tools, machine manufacturing, aerospace, hardware and the like are not separated from the foundry industry. While the foundry industry in China occupies more than forty percent of the world foundry market share. According to the environmental monitoring index of the United states, 188 kinds of global industrial pollution gases are shown, the foundry industry occupies 40 kinds of the pollution gases, the harm to human bodies is serious, and the most main emission of sulfur dioxide gas except dust is pollution source dispersion and large gas quantity. How does the current situation change? The national export policy encourages support of foundry industry transformation, starts from the two aspects of mass activation and incremental growth, encourages innovation and realizes industry reform. The expansion of the market in the machine-building industry served by the foundry industry has emerged as an unprecedented opportunity. The counterweight is an important component in the mechanical manufacturing link, and the demand is increasing.

The balancing weight is required to be filled after being manufactured, so that the weight of the balancing weight is increased, the balancing weight is required to be subjected to capping treatment after being filled, the existing capping treatment is performed manually, the working efficiency is low, the labor cost is high, and mass production is not facilitated.

Disclosure of Invention

First, the technical problem to be solved

The problem that the balancing weight needs to be filled after manufacturing is finished, so that the weight of the balancing weight is increased, the balancing weight needs to be subjected to capping treatment after filling is finished, the existing capping treatment is manual capping, the working efficiency is low, the labor cost is high, and mass production is not facilitated is solved.

(II) technical scheme

The utility model provides a packing counter weight closing cap device, including conveyer, closing cap device, balancing weight, closing cap device sets up in conveyer next door, conveyer is used for transporting the balancing weight, closing cap device is used for the balancing weight closing cap, conveyer is including the base, the both sides of base are fixed with the baffle, a plurality of drive roll has been installed in proper order on the base and along base length direction, the balancing weight is placed on the drive roll, on the base and be located the drive roll top and be fixed with the feeder hopper that is used for filling the balancing weight, the inside and the below that is located the drive roll of base is provided with the stop gear that is used for restricting the balancing weight gliding on the drive roll.

As the preferable technical scheme, the balancing weight is rectangular, and inside is cavity, rectangular feed inlet has been seted up at the top of balancing weight, slidable mounting has rectangular lid on the rectangular feed inlet, and rectangular lid's both sides are fixed with the slider, and the spout has been seted up to the feed inlet department of balancing weight and the corresponding position department of slider, and the slider can inlay and establish inside the spout, and the one end of balancing weight is provided with first locking mechanism, and the other end is provided with second locking mechanism, and first locking mechanism, second locking mechanism can be used to lock rectangular lid.

As the preferable technical proposal, the first locking mechanism comprises a first bolt arranged at one end of a balancing weight, a first sliding block, a second sliding block, a third sliding block, a fourth sliding block and a fifth sliding block are arranged in the balancing weight in a sliding way, one end of the first sliding block is in threaded connection with the first bolt, the other end of the first sliding block is provided with a first inclined plane, one end of the second sliding block is fixedly provided with a first spring, the other end of the first spring is fixedly connected with the inner wall of the balancing weight, one end of the second sliding block, which is close to the first spring, is penetrated by a first through groove, one side, which is close to the first spring, is provided with a second inclined plane, the first inclined plane can be mutually abutted with the second inclined plane, the first sliding block and the second sliding block are mutually perpendicular, one end of the rectangular cover is provided with a locking groove, the first sliding block can drive the second sliding block to be inserted into the locking groove to fix the rectangular cover, one end of the third sliding block is fixedly provided with a second spring, and the other end is provided with a third inclined plane, the other end of the second spring is fixedly connected with the inner wall of the balancing weight, the second sliding block penetrates through the second through groove and is mutually perpendicular to the third sliding block, a clamping block is fixed on the side wall, close to the second spring, of the second through groove, a clamping groove matched with the clamping block is formed on the side wall, close to the clamping block, of the second sliding block, the clamping block can be embedded in the clamping groove, the fourth sliding block is mutually perpendicular to the third sliding block and the fifth sliding block, a fourth inclined surface is formed at one end of the fourth sliding block, a fifth inclined surface is formed at the other end of the fourth sliding block, the third inclined surface is mutually abutted with the fourth inclined surface, a sixth inclined surface is formed at one end of the fifth sliding block, the other end of the fifth sliding block can be mutually abutted with the side wall of the rectangular cover, a connecting block is fixed on the side wall, close to the fourth sliding block, of the connecting block is fixedly provided with the third spring, the other end of the third spring is fixedly connected with the inner wall of the balancing weight.

As the preferable technical scheme, the second locking mechanism comprises a second bolt arranged at the other end of the balancing weight, a sixth sliding block and a seventh sliding block are slidably arranged in the balancing weight, one end of the sixth sliding block is in threaded connection with the second bolt, a seventh inclined plane is formed at the other end of the sixth sliding block, one end of the seventh sliding block is fixedly provided with a fourth spring, the other end of the fourth spring is fixedly connected with the inner wall of the balancing weight, one end, close to the fourth spring, of the seventh sliding block penetrates through a third through groove, an eighth inclined plane is formed at one side, close to the fourth spring, of the third through groove, the seventh inclined plane can be mutually abutted with the eighth inclined plane, the sixth sliding block and the seventh sliding block are mutually perpendicular, the sixth sliding block can drive the seventh sliding block to slide, and the seventh sliding block can fix the rectangular cover.

As the preferable technical scheme, closing cap device is including the support, the one end that is close to the base on the support is fixed with the rectangle box, the other end is fixed with the support, pile up a plurality of rectangle lid in the rectangle box, slide on the support and be provided with the inserted block, open the bottom of rectangle lid has logical groove, the inserted block can insert logical inslot portion and can push out the rectangle lid inside the rectangle box, the motor of output shaft orientation rectangle box is fixed with to the level on the support, be provided with the gag lever post between support and the rectangle box, the screw rod one end is fixed with the support, the other end is fixed with the rectangle box lateral wall, screw rod one end is fixed with the motor output shaft, the other end is connected with the rectangle box rotation, the one end that the inserted block is close to the motor is fixed with the connecting plate, connecting plate and gag lever post sliding connection, connecting plate and screw rod spiro union.

As the preferable technical scheme, stop gear includes a plurality of cylinder vertical fixation in the inside of base, and every cylinder output axle head all is fixed with the baffle, and the baffle is located the both ends of balancing weight for the restriction balancing weight slides on the drive roll.

As the preferable technical scheme, the top of balancing weight is fixed with the stopper, and the spacing groove of mutually supporting with the stopper has been seted up to the bottom of balancing weight, and the stopper can inlay and establish at the spacing groove, is fixed with the couple on the lateral wall of balancing weight, and the slot has still been seted up to the bottom of balancing weight.

A manufacturing process of a filling counterweight sealing cover comprises the following steps:

step one: numerical control blanking is carried out according to the drawing size requirement, and the finished parts are required to be simultaneously subjected to finish machining treatment;

step two: a technician makes plates according to a drawing, bends, assembles and welds the plates, adds a processing part, and completes the manufacturing of the structural member shell on the basis of ensuring the whole body not to deform;

step three: calculating the total weight required to fill the chilled raw material after removal of the shell weight, i.e. determining the specific gravity required for the article itself;

step four: the environment-friendly raw materials required by the counter weight with the total specific gravity of 6.5 to be chilled are six raw materials of scrap steel, scrap steel punch, waste steel shot, iron concentrate with the content of more than 95, high-grade cement and water;

step five: pouring the mixture into the shell of the structural member of the balancing weight through a vibrating table after the mixture is fully and uniformly stirred;

step six: pressing the mixed material poured into the shell by adopting a fixed die-opening die through a five hundred ton press, extruding water with the maximum strength, and sealing and welding after the required weight is reached;

step seven: after the whole cold casting and filling of the shell are completed, a numerical control milling machine is used for carrying out whole shaping;

step eight: feeding the balancing weight after shaping of the integral milling machine into a shot blasting machine for rust removal and polishing;

step nine: and (5) performing electrostatic spraying forming in the final step.

(III) beneficial effects

The invention has the beneficial effects that:

1. through setting up first locking mechanism, second locking mechanism, after the balancing weight filling, lock rectangular lid.

2. Through setting up closing cap device, the motor rotates and drives the screw rod and rotate, and screw rod normal running fit gag lever post drives the connecting plate and slides forward on the gag lever post, and the connecting plate slides forward and drives the inserted block and slide forward to make the inserted block insert inside the logical inslot and with rectangle lid top rectangle box inside, thereby push into rectangle feed inlet inside with the rectangle lid can, through setting up closing cap device, can automize and seal the lid to the balancing weight and handle, degree of automation is high, work efficiency is high, does benefit to mass production.

3. Through setting up stop gear, when the balancing weight needs the closing cap to handle, the balancing weight removes the closing cap device next door under the effect of drive roll, and the cylinder starts this moment, and the output shaft is ejecting upwards, drives the baffle and upwards ejects, and the baffle is located the both ends of balancing weight to be used for restricting the balancing weight and slide on the drive roll, do not influence closing cap operation.

4. Through setting up stopper, spacing groove, can be convenient pile up the balancing weight and handle, convenient transportation is through setting up the couple, makes things convenient for the loop wheel machine to hoist the balancing weight, through setting up the slot, makes things convenient for fork truck to insert to convenient for the transport.

5. The invention solves the problems that the weight block needs to be filled after the manufacturing is finished, so that the weight of the weight block is increased, the sealing cover treatment is needed after the filling is finished, the existing sealing cover treatment is performed manually, the working efficiency is low, the labor cost is high, and the mass production is not facilitated.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic structural view of a weight;

FIG. 3 is a schematic view of the structure of a rectangular cover;

fig. 4 is a partial enlarged view of the portion of fig. 3A;

fig. 5 is a partial enlarged view of the portion of fig. 3B;

FIG. 6 is a schematic structural view of the capping device;

FIG. 7 is a schematic view of a spacing mechanism;

1-a conveying device; 2-capping means; 3-balancing weight; 4-a base; 5-a drive roll; 6-feeding a hopper; 7-a baffle; 8-a limiting mechanism; 9-a rectangular cover; 10-sliding blocks; 11-a first locking mechanism; 12-a second locking mechanism; 201-a support; 202-rectangular box; 203-inserting blocks; 204-through grooves; 205-motor; 206-a limit rod; 207-screw; 301-limiting blocks; 302, a limit groove; 303-hooking; 304-slots; 801-an air cylinder; 802-baffles; 1101-first bolt; 1102-a first slider; 1103-second slider; 1104-a third slider; 1105-fourth slider; 1106-fifth slider; 1107—a first spring; 1108-a first through slot; 1109-a second through slot; 1110-a cartridge; 1111-a clamping groove; 1112-a locking groove; 1113-connecting block; 1114-a second spring; 1115-a third spring; 1201-second bolt; 1202-sixth sliders; 1203-seventh slider; 1204-fourth springs; 1205-third through slots;

Detailed Description

The invention will be further described with reference to the accompanying drawings, in which the following examples illustrate the invention in further detail:

as shown in fig. 1, a filling counterweight capping device comprises a conveying device 1, a capping device 2 and a counterweight 3, wherein the capping device 2 is arranged beside the conveying device 1, the conveying device 1 is used for conveying the counterweight 3, the capping device 2 is used for capping the counterweight 3, the conveying device 1 comprises a base 4, baffles 7 are fixed on two sides of the base 4, a plurality of driving rollers 5 are sequentially arranged on the base 4 and along the length direction of the base 4, the counterweight 3 is placed on the driving rollers 5, a feed hopper 6 for filling the counterweight 3 is fixed on the base 4 and above the driving rollers 5, and a limiting mechanism 8 for limiting the counterweight 3 to slide on the driving rollers 5 is arranged inside the base 4 and below the driving rollers 5.

As shown in fig. 2, the counterweight 3 is rectangular and hollow, a rectangular feed inlet is formed in the top of the counterweight 3, a rectangular cover 9 is slidably mounted on the rectangular feed inlet, sliding blocks 10 are fixed on two sides of the rectangular cover 9, sliding grooves are formed in the positions of the feed inlet of the counterweight 3 and corresponding to the sliding blocks 10, the sliding blocks 10 can be embedded in the sliding grooves, a first locking mechanism 11 is arranged at one end of the counterweight 3, a second locking mechanism 12 is arranged at the other end of the counterweight 3, and the first locking mechanism 11 and the second locking mechanism 12 can be used for locking the rectangular cover 9.

As shown in fig. 3 and 4, the first locking mechanism 11 includes a first bolt 1101 installed at one end of the balancing weight 3, a first slider 1102, a second slider 1103, a third slider 1104, a fourth slider 1105 and a fifth slider 1106 are slidably disposed in the balancing weight 3, one end of the first slider 1102 is screwed with the first bolt 1101, a first inclined plane is formed at the other end of the first slider 1103, a first spring 1107 is fixed at one end of the second slider 1103, the other end of the first spring 1107 is fixedly connected with the inner wall of the balancing weight 3, a first through slot 1108 is formed at one end of the second slider 1103, which is close to the first spring 1107, a second inclined plane is formed at one side of the first through slot 1108, the first inclined plane and the second inclined plane are mutually abutted, the first slider 1102 and the second slider 1103 are mutually perpendicular, a locking slot 1112 is formed at one end of the rectangular cover 9, the first slider 1102 can drive the second slider 1103 to slide, and the second slider 1103 can be inserted into the locking slot 1112 to fix the rectangular cover 9, a second spring 1114 is fixed at one end of the third slider 1104, a third inclined plane is formed at the other end of the third slider 1104, the other end of the second spring 1114 is fixedly connected with the inner wall of the balancing weight 3, a second through groove 1109 is penetrated in the third slider 1104, the second slider 1103 penetrates through the second through groove 1109 and is mutually perpendicular to the third slider 1104, a clamping block 1110 is fixed on the side wall of the second through groove 1109, which is close to the second spring 1114, a clamping groove 1111 matched with the clamping block 1110 is formed on the side wall of the second slider 1103, the clamping block 1110 can be embedded in the clamping groove 1111, a fourth inclined plane is mutually perpendicular to the third slider 1104 and the fifth slider 1106, a fourth inclined plane is formed at one end of the fourth slider 1105, a fifth inclined plane is formed at the other end of the fourth slider 1105, the third inclined plane is mutually abutted against the fourth inclined plane, a sixth inclined plane is formed at one end of the fifth slider 1106 and the other end of the fifth slider 1106 can be mutually abutted against the side wall of the rectangular cover 9, the fifth inclined plane and the sixth inclined plane are mutually abutted, a connecting block 1113 is fixed on the side wall of the fifth sliding block 1106, which is far away from the third sliding block 1104, a third spring 1115 is fixed on the side wall of the connecting block 1113, which is close to the fourth sliding block 1105, and the other end of the third spring 1115 is fixedly connected with the inner wall of the balancing weight 3.

It should be noted that, the side wall of the second slider 1103, which is close to the clamping block 1110, is provided with a clamping groove 1111, which is matched with the clamping block 1110, the clamping block 1110 is embedded in the clamping groove 1111, and when the first locking mechanism 11 needs to lock the rectangular cover 9, the rectangular cover 9 is pushed into the rectangular feeding port slowly by the rectangular cover 9 under the action of the capping device 2 until the rectangular cover is abutted against the fifth slider 1106, and then slides forward, so as to drive the fifth slider 1106 to slide forward, the fifth slider 1106 slides forward to drive the fourth slider 1105 to slide right, and the fourth slider 1105 slides forward to drive the third slider 1104 to slide backward, so that the clamping block 1110 is separated from the clamping groove 1111, and at this time, the second slider 1103 is driven to slide left under the action of the spring force of the first spring 1107, so that the second slider 1103 is inserted into the locking groove 1112 to fix the rectangular cover 9.

When the unlocking is needed, the first bolt 1101 is screwed, the first bolt 1101 moves backward to drive the first slider 1102 to move backward, the first slider 1102 moves backward to drive the second slider 1103 to slide right, so that the second slider 1103 is separated from the locking groove 1112, the rectangular cover 9 is pulled out, the fifth slider 1106 is driven to slide backward under the action of the spring force of the third spring 1115, the fourth slider 1105 is driven to slide left by the backward sliding of the fifth slider 1106, the third slider 1104 is driven to slide forward by the left sliding of the fourth slider 1105, the third slider 1104 is driven to slide forward under the action of the spring force of the second spring 1114, and the clamping block 1110 is pushed against the side wall of the second slider 1103 and is matched with the second slider 1103 to slide right, so that the clamping block 1110 is clamped into the clamping groove 1111 to unlock.

As shown in fig. 3 and 5, the second locking mechanism 12 includes a second bolt 1201 mounted at the other end of the balancing weight 3, a sixth slider 1202 and a seventh slider 1203 are slidably disposed in the balancing weight 3, one end of the sixth slider 1202 is screwed with the second bolt 1201, a seventh inclined plane is formed at the other end of the seventh slider 1203, a fourth spring 1204 is fixed at one end of the seventh slider 1203, the other end of the fourth spring 1204 is fixedly connected with the inner wall of the balancing weight 3, a third through slot 1205 is penetrated at one end of the seventh slider 1203 adjacent to the fourth spring 1204, an eighth inclined plane is formed at one side of the third through slot 1205 adjacent to the fourth spring 1204, the seventh inclined plane can abut against the eighth inclined plane, the sixth slider 1202 and the seventh slider 1203 are mutually perpendicular, the sixth slider 1202 can drive the seventh slider 1203 to slide, and the seventh slider 1203 can fix the rectangular cover 9.

It should be noted that, when one end of the rectangular cover 9 is locked by the first locking mechanism 11, the second locking mechanism starts to work, and rotates the second bolt 1201 backward, the second bolt 1201 drives the sixth slider 1202 to move backward, so that the seventh inclined plane and the eighth inclined plane are not in mutual abutment, at this time, under the action of the spring force of the fourth spring 1204, the seventh slider 1203 is driven to slide rightward to fix the other end of the rectangular cover 9, and when unlocking is required, only the second bolt 1201 is required to rotate forward, the second bolt 1201 drives the sixth slider 1202 to move forward, so that the seventh inclined plane and the eighth inclined plane are in mutual abutment, so as to drive the seventh slider 1203 to slide leftward to unlock the other end of the rectangular cover 9.

As shown in fig. 1 and 6, the cover sealing device 2 comprises a support 201, one end of the support 201, which is close to the base 4, is fixed with a rectangular box 202, the other end of the support is fixed with a bracket, a plurality of rectangular covers 9 are stacked in the rectangular box 202, an inserting block 203 is slidably arranged on the support 201, a through groove 204 is formed in the bottom of the rectangular cover 9, the inserting block 203 can be inserted into the through groove 204 and can eject the rectangular cover 9 out of the rectangular box 202, a motor 205 with an output shaft facing the rectangular box 202 is horizontally fixed on the bracket, a limiting rod 206 and a screw 207 are arranged between the bracket and the rectangular box 202, one end of the limiting rod 206 is fixed with the bracket, the other end of the limiting rod is fixed with the side wall of the rectangular box 202, one end of the screw 207 is fixed with the output shaft of the motor 205, the other end of the screw 207 is rotationally connected with the rectangular box 202, one end of the inserting block 203, which is close to the motor 205, is fixed with a connecting plate, which is slidably connected with the limiting rod 206, and the connecting plate is screwed with the screw 207.

It should be noted that, the motor 205 rotates to drive the screw 207 to rotate, and the screw 207 rotates to cooperate with the stop lever 206, so as to drive the connecting plate to slide forward on the stop lever 206, and the connecting plate slides forward to drive the insert block 203 to slide forward, so that the insert block 203 is inserted into the through groove 204 and the rectangular cover 9 is ejected out of the rectangular box 202, and the rectangular cover 9 is pushed into the rectangular feeding port, and by setting the cover sealing device 2, the cover sealing treatment can be automatically performed on the balancing weight 3, so that the degree of automation is high, the working efficiency is high, and the mass production is facilitated.

As shown in fig. 7, the limiting mechanism 8 comprises a plurality of cylinders 801 vertically fixed inside the base 4, and a baffle 802 is fixed at the output shaft end of each cylinder 801, and the baffles 802 are located at two ends of the balancing weight 3 and used for limiting the balancing weight 3 to slide on the driving roller 5.

When the balancing weight 3 needs to be capped, the balancing weight 3 moves to the side of the capping device 2 under the action of the driving roller 5, the air cylinder 801 is started at this time, the output shaft is ejected upwards, the baffle 802 is driven to eject upwards, and the baffle 802 is located at two ends of the balancing weight 3, so that the balancing weight 3 is limited to slide on the driving roller 5, and capping operation is not affected.

As shown in fig. 2, a limiting block 301 is fixed at the top of the balancing weight 3, a limiting groove 302 matching with the limiting block 301 is formed at the bottom of the balancing weight 3, the limiting block 301 can be embedded in the limiting groove 302, a hook 303 is fixed on the side wall of the balancing weight 3, and a slot 304 is formed at the bottom of the balancing weight 3.

It should be noted that, through setting up stopper 301, spacing groove 302, can be convenient pile up balancing weight 3 and handle, convenient transportation, through setting up couple 303, make things convenient for the loop wheel machine to hoist balancing weight 3, through setting up slot 304, make things convenient for fork truck to insert to convenient for the transport.

step nine: and (5) performing electrostatic spraying forming in the final step.

Working principle: during operation, the processed balancing weights 3 are sequentially placed on the transmission device 1, the transmission device 1 firstly transports the balancing weights to the lower portion of the feeding hopper 6, then the transmission device 1 transports the balancing weights to the side of the sealing device 2 after filling is completed, the sealing device 2 starts to operate, the motor 205 rotates to drive the screw 207 to rotate, the screw 207 rotates to match with the limiting rod 206 to drive the connecting plate to slide forward on the limiting rod 206, the connecting plate slides forward to drive the inserting block 203 to slide forward, so that the inserting block 203 is inserted into the through groove 204 and the rectangular cover 9 is ejected out of the rectangular box 202, the rectangular cover 9 is pushed into the rectangular feeding port, then the rectangular cover 9 is locked through the first locking mechanism 11 and the second locking mechanism 12, finally the transmission device 1 transports the balancing weights 3 to a specified position, the balancing weights 3 are lifted through the crane and then stacked.

The above examples are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the scope of protection of the present invention, and the technical content claimed by the present invention is fully described in the claims.

Claims

1. The utility model provides a packing counter weight closing cap device, is including conveyer (1), closing cap device (2), balancing weight (3), closing cap device (2) set up in conveyer (1) next door, its characterized in that: the conveying device (1) is used for conveying the balancing weights (3), the sealing cover device (2) is used for sealing the balancing weights (3), the conveying device (1) comprises a base (4), baffle plates (7) are fixed on two sides of the base (4), a plurality of driving rollers (5) are sequentially arranged on the base (4) along the length direction of the base (4), the balancing weights (3) are placed on the driving rollers (5), a feed hopper (6) used for feeding the balancing weights (3) is fixed on the base (4) and above the driving rollers (5), a limiting mechanism (8) used for limiting the sliding of the balancing weights (3) on the driving rollers (5) is arranged inside the base (4), the balancing weights (3) are rectangular, the inside is hollow, rectangular feeding ports are formed in the top of the balancing weights (3), rectangular feeding ports are slidably arranged with rectangular covers (9), sliding blocks (10) are fixed on two sides of the rectangular covers (9), a second sliding chute (10) is formed in the position of the balancing weights (3) and corresponding to the first sliding chute (10) and a second sliding chute (12) is formed at the second end of the sliding chute (11), the first locking mechanism (11) and the second locking mechanism (12) can be used for locking the rectangular cover (9), the first locking mechanism (11) comprises a first bolt (1101) arranged at one end of the balancing weight (3), a first sliding block (1102), a second sliding block (1103), a third sliding block (1104), a fourth sliding block (1105) and a fifth sliding block (1106) are arranged in the balancing weight (3) in a sliding mode, one end of the first sliding block (1102) is in threaded connection with the first bolt (1101), the other end of the second sliding block (1102) is provided with a first inclined surface in a forming mode, one end of the second sliding block (1103) is fixedly provided with a first spring (1107), the other end of the first spring (1107) is fixedly connected with the inner wall of the balancing weight (3), one end of the second sliding block (1103) close to the first spring (1107) penetrates through a first through groove (1108), one side of the first through groove (1108) close to the first spring (1103) is provided with a second inclined surface in a forming mode, the first inclined surface can be mutually abutted with the second inclined surface, the first sliding block (1102) and the second sliding block (1103) are mutually perpendicular to the rectangular cover, one end of the second sliding block (1103) is provided with a first inclined surface (1112), one end of the first sliding block (1112) is fixedly inserted into the first sliding block (1112) and the first sliding block (9), the utility model discloses a novel sliding block, which is characterized in that a second spring (1114) is fixed at one end of a third sliding block (1104), a third inclined plane is formed at the other end of the second spring (1114), the other end of the second spring (1114) is fixedly connected with the inner wall of a balancing weight (3), a second through groove (1109) is penetrated in the third sliding block (1104), the second sliding block (1103) penetrates through the second through groove (1109) and is mutually perpendicular to the third sliding block (1104), a clamping block (1110) is fixed on the side wall of the second through groove (1109) close to the second spring (1114), a clamping groove (1111) which is mutually matched with the clamping block (1110) is formed on the side wall of the second sliding block (1103) close to the clamping block (1110), the clamping block (1110) can be embedded in the clamping groove (1111), the fourth sliding block (1105) is mutually perpendicular to the third sliding block (1104), a fifth inclined plane is formed at one end of the fourth sliding block (1106), a fifth inclined plane is mutually perpendicular to the other end of the fourth sliding block (1106), a fifth inclined plane is mutually abutted to the fourth sliding block (1104), a sixth inclined plane is formed at the other end of the fourth sliding block (1106), a sixth inclined plane is mutually abutted to the side wall (1113), the side wall of the fourth sliding block (1113) is mutually abutted to the side wall of the fourth sliding block (1115), the other end of the third spring (1115) is fixedly connected with the inner wall of the balancing weight (3).

2. A fill weight capping apparatus as claimed in claim 1 wherein: the second locking mechanism (12) comprises a second bolt (1201) arranged at the other end of the balancing weight (3), a sixth sliding block (1202) and a seventh sliding block (1203) are arranged in the balancing weight (3) in a sliding mode, one end of the sixth sliding block (1202) is in threaded connection with the second bolt (1201), a seventh inclined plane is formed at the other end of the seventh sliding block (1203), a fourth spring (1204) is fixed at one end of the seventh sliding block (1203), the other end of the fourth spring (1204) is fixedly connected with the inner wall of the balancing weight (3), a third through groove (1205) is formed at one end, close to the fourth spring (1204), of the seventh sliding block (1203), an eighth inclined plane is formed at one side, close to the fourth spring (1204), of the third through groove (1205), the seventh inclined plane can be mutually abutted with the eighth inclined plane, the sixth sliding block (1202) and the seventh sliding block (1203) are mutually perpendicular, the sixth sliding block (1203) can be driven to slide, and the seventh sliding block (1203) can be fixed to the rectangular cover (9).

3. A fill weight capping apparatus as claimed in claim 1 wherein: the sealing cover device (2) comprises a support (201), one end, close to a base (4), of the support (201) is fixed with a rectangular box (202) and the other end is fixed with a support, a plurality of rectangular covers (9) are stacked in the rectangular box (202), an inserting block (203) is slidably arranged on the support (201), a through groove (204) is formed in the bottom of the rectangular cover (9), the inserting block (203) can be inserted into the through groove (204) and can eject the rectangular cover (9) out of the rectangular box (202), a motor (205) with an output shaft facing the rectangular box (202) is horizontally fixed on the support, a limit rod (206) and a screw (207) are arranged between the support and the rectangular box (202), one end of the limit rod (206) is fixed with the side wall of the support, the other end of the limit rod (206) is fixed with the side wall of the rectangular box (202), one end of the screw (207) is fixed with an output shaft of the motor (205), the other end of the limit rod is rotationally connected with the rectangular box (202), one end, close to the inserting block (203) is fixed with a connecting plate (206), and the connecting plate (207) is slidably connected with the limit rod (207).

4. A fill weight capping apparatus as claimed in claim 1 wherein: the limiting mechanism (8) comprises a plurality of cylinders (801) vertically fixed inside the base (4), each cylinder (801) is fixedly provided with a baffle plate (802) at the output shaft end, and the baffle plates (802) are positioned at two ends of the balancing weight (3) and used for limiting the balancing weight (3) to slide on the driving roller (5).

5. A fill weight capping apparatus as claimed in claim 1 wherein: limiting blocks (301) are fixed at the top of the balancing weights (3), limiting grooves (302) matched with the limiting blocks (301) are formed in the bottoms of the balancing weights (3), the limiting blocks (301) can be embedded in the limiting grooves (302), hooks (303) are fixed on the side walls of the balancing weights (3), and inserting grooves (304) are formed in the bottoms of the balancing weights (3).

6. A filling weight cover manufacturing process using a filling weight cover device according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:

step four: the environment-friendly raw materials required by the counter weight with the total specific gravity of 6.5 to be chilled are scrap steel, iron concentrate with the content of more than 95, cement and water;

step nine: and (5) performing electrostatic spraying forming in the final step.