CN108065508B

CN108065508B - Fixing mechanism of vamp trimmer

Info

Publication number: CN108065508B
Application number: CN201711051685.2A
Authority: CN
Inventors: 施禹名; 林雨萱; 施凯; 武传宇
Original assignee: Zhejiang University of Technology ZJUT
Current assignee: Zhejiang University of Technology ZJUT
Priority date: 2017-10-31
Filing date: 2017-10-31
Publication date: 2020-02-07
Anticipated expiration: 2037-10-31
Also published as: CN108065508A

Abstract

The invention discloses a fixing structure of a vamp shaping machine, which comprises a workbench, a softening mechanism and a shaping mechanism, wherein the shaping mechanism comprises a vibration generator, an upper pressing die, a lower pressing die, a cylinder and a support frame, the lower pressing die is provided with an adsorption structure, the adsorption structure comprises an air pump, the lower pressing die is provided with an air cavity, the upper surface of the lower pressing die is provided with an air suction hole communicated with the air cavity, the lower pressing die is provided with a connecting port, and the air pump is connected with the connecting port. When the upper pressing die is in contact with the vamp, the vibration generator vibrates the vamp to flatten wrinkles on the vamp, and then the upper pressing die and the lower pressing die are compacted to press and form the vamp. Air in the air cavity is pumped out through the air pump, negative pressure is generated on the air suction holes, and therefore the vamp is attached and adsorbed on the surface of the lower pressing die. When the suppression, the vamp is according to the state press forming of placing, can not produce deformation in the suppression to effectively prevent that the vamp from producing the fold when the suppression plastic, improve the plastic quality.

Description

Fixing mechanism of vamp trimmer

Technical Field

The invention relates to shoe and garment production equipment, in particular to a fixing mechanism of a vamp shaping machine.

Background

After the upper is placed on the lower pressing die, the upper cannot be attached to the lower pressing die but partially tilts, and wrinkles are easily generated when the upper pressing die is pressed down during pressing and shaping.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a fixing mechanism of a vamp shaping machine, which enables a vamp to be attached to a lower pressing die before pressing and shaping.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fixed knot of vamp trimmer constructs, comprises a workbench, a plastic mechanism that is used for softening the softening mechanism of vamp and is used for plastic vamp, plastic mechanism and softening mechanism set up on the workstation, plastic mechanism includes vibration generator, go up the moulding-die, the lower die, cylinder and support frame, lower die and support frame are fixed on the workstation, the cylinder is fixed on the support frame and is located the lower die directly over, vibration generator fixes on the catch bar of cylinder, it fixes on vibration generator to go up the moulding-die, be provided with the adsorption structure who is used for holding the vamp on the lower die, adsorption structure includes the air pump, the air cavity has been seted up on the lower die, set up the suction opening with the air cavity intercommunication on the upper surface of lower die, be provided with the connector of connecting the air cavity on the lower die, the air pump is connected with.

As a further improvement of the invention, the lower pressing die is provided with a positioning groove for embedding the vamp, and the air suction hole is arranged in the positioning groove.

As a further improvement of the invention, the support frame comprises three concave side plates which are vertically arranged on the workbench and a top plate which is horizontally arranged at one end of the side plates opposite to the workbench, the side plates are provided with slide rails which extend along the vertical direction, the top plate is provided with slide grooves, the slide rails are arranged in the slide grooves in a sliding manner, the side plates are provided with fixing mechanisms for fixing the top plate, the fixing mechanisms comprise racks, first springs and levers, the top plate is provided with fixing teeth, the side plates are provided with first mounting grooves, the bottoms of the first mounting grooves are provided with through holes for the racks to pass through, the levers are hinged in the first mounting grooves, the racks are fixed at one ends of the levers, the first springs are arranged in the first mounting grooves, one ends of the first springs are abutted against one ends of the levers which are opposite to the racks, the other ends of the first mounting grooves are abutted against the bottoms of the first, thereby securing the top panel to the side panels.

As a further improvement of the invention, the softening mechanism comprises a water tank, a pipeline, a valve, a spray head for spraying steam and a heater for heating liquid in the water tank, the water tank is fixed below the workbench, the heater is arranged in the water tank, the pipeline is arranged on the workbench, one end of the pipeline is communicated with the water tank, the valve is arranged on the pipeline, and the spray head is arranged at one end of the pipeline, which is back to the water tank, and is close to the lower pressing die.

As a further improvement of the invention, the vibration generator comprises a shell and an eccentric ball, the upper part of the shell is connected with the cylinder, the lower part of the shell is connected with the upper pressing die, a cake-shaped rolling cavity for the ball to roll is arranged in the shell, an air inlet and an air outlet are arranged on the shell, the air inlet direction of the air inlet and the air outlet direction of the air outlet are tangent to the excircle of the rolling cavity, so that the ball is pushed to roll in the rolling cavity when being connected with an air source.

As a further improvement of the invention, the upper pressing die comprises a connecting block and a forming block which are fixed with each other, a fixing structure for fixing the connecting block is arranged on the vibration generator, the fixing structure comprises a second spring, a fixing block and a poking block, a positioning hole for embedding the connecting block is formed in the vibration generator, a second mounting groove is formed in the side wall of the positioning hole, a fixing hole is formed in the connecting block, the fixing block is arranged in the second mounting groove in a sliding mode, the second spring is arranged in the second mounting groove, one end of the second spring is abutted against the groove bottom of the second mounting groove, the other end of the second spring is abutted against the fixing block, the fixing block is pushed to slide towards the connecting block, when the fixing hole slides to the position of the fixing block, the fixing block is partially embedded into the fixing hole, the connecting block is locked with the vibration generator, a poking hole.

The invention has the advantages that when the upper die is shaped, the vibration generator vibrates the upper pressing die, so that when the upper pressing die is contacted with the vamp, the vamp is vibrated to flatten wrinkles on the vamp, and then the upper pressing die and the lower pressing die are compacted to press and form the vamp. Through the setting of vibration generator, shake the fold on the flat vamp, improve the shaping quality of vamp. Air in the air cavity is pumped out through the air pump, negative pressure is generated on the air suction holes, and therefore the vamp is attached and adsorbed on the surface of the lower pressing die. When the suppression, the vamp is according to the state press forming of placing, can not produce deformation in the suppression to effectively prevent that the vamp from producing the fold when the suppression plastic, improve the plastic quality.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at the reference point;

FIG. 4 is a block diagram of a vibration generator and an upper die.

Detailed Description

The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

Referring to fig. 1 to 4, a fixing structure of a shoe upper shaping machine of this embodiment includes a workbench 1, a softening mechanism 3 for softening a shoe upper, and a shaping mechanism 2 for shaping a shoe upper, the shaping mechanism 2 and the softening mechanism 3 are disposed on the workbench 1, the shaping mechanism 2 includes a vibration generator 21, an upper die 22, a lower die 25, a cylinder 23, and a support frame 24, the lower die 25 and the support frame 24 are fixed on the workbench 1, the cylinder 23 is fixed on the support frame 24 and located right above the lower die 25, the vibration generator 21 is fixed on a push rod of the cylinder 23, the upper die 22 is fixed on the vibration generator 21, the lower die 25 is provided with an adsorption structure for sucking a shoe upper, the adsorption structure includes an air pump 4, the lower die 25 is provided with an air cavity, an air suction hole 252 communicated with the air cavity is formed on an upper surface of the lower die 25, a connection port connected with the lower die 25 is provided with the air cavity, the air pump 4 is connected with the connecting port.

When the operator puts the shoe upper on the lower die 25 during the shaping of the shoe upper, then the apparatus is started, the air cylinder 23 pushes the upper die 22 to move towards the lower die 25, the vibration generator 21 vibrates the upper die 22, so that the upper die 22 vibrates the shoe upper when contacting with the shoe upper, folds on the shoe upper are flattened, and then the upper die 22 is compacted with the lower die 25, and the shoe upper is formed by pressing. Through the arrangement of the vibration generator 21, the folds on the vamp are vibrated flat, and the forming quality of the vamp is improved. After the upper is placed on the lower pressing die 25, the upper cannot be attached to the lower pressing die 25 but partially tilts, and wrinkles are easily generated when the upper pressing die 22 is pressed down during pressing and shaping of the existing shaping machine. In this embodiment, through the arrangement of the adsorption structure, air in the air cavity is sucked by the air pump 4, and negative pressure is generated on the air suction holes 252, so that the upper is attached and adsorbed on the surface of the lower die 25. When the suppression, the vamp is according to the state press forming of placing, can not produce deformation in the suppression to effectively prevent that the vamp from producing the fold when the suppression plastic, improve the plastic quality.

As a modified specific embodiment, the lower pressing die 25 is provided with a positioning groove for embedding the vamp, and the air suction holes 252 are arranged in the positioning groove.

Offer the constant head tank on the lower die, operating personnel packs into the constant head tank with the vamp when feeding, just can make the vamp be in exact plastic position, and when not having the constant head tank, operating personnel often need judge the position according to experience, sometimes neglect to place the vamp in place easily for a short time, lead to the plastic quality poor.

As an improved specific embodiment, the supporting frame 24 includes three concave side plates 241 vertically disposed on the workbench 1 and a top plate 242 horizontally disposed at an end of the side plate 241 opposite to the workbench 1, the side plate 241 is provided with a slide rail 26 extending along a vertical direction, the top plate 242 is provided with a slide slot, the slide rail 26 is slidably disposed in the slide slot, the side plate 241 is provided with a fixing mechanism for fixing the top plate 242, the fixing mechanism includes a rack 41, a first spring 42 and a lever 43, the top plate 242 is provided with a fixing tooth 46, the side plate 241 is provided with a first mounting slot 44, a through hole 45 for the rack 41 to pass through is formed at a slot bottom of the first mounting slot 44, the lever 43 is hinged in the first mounting slot 44, the rack 41 is fixed at one end of the lever 43, the first spring 42 is disposed in the first mounting slot 44, one end of the lever 43 is abutted against an end of the lever 43 opposite to the rack 41, and the other end, the rack 41 is pushed through the through hole 45 and moved toward the top plate 242, so that the rack 41 is engaged with the fixing teeth 46, thereby fixing the top plate 242 to the side plate 241.

When processing the vamp with different thickness, the operator pushes the lever 43 to move the rack 41 back to the top plate 242, so that the rack 41 is separated from the fixed teeth 46, the fixing of the top plate 242 is released, and then the top plate 242 is moved along the slide rail 26, so that the gap between the upper die and the lower die is suitable for the vamp to be processed. The operator then releases the lever 43 and the first spring 42 pushes the lever 43 back to engage the rack 41 with the fixed teeth 46, thereby fixing the top plate 242. The upper die is driven to move by the sliding of the top plate 242, and the distance between the upper die 22 and the lower die 25 is adjusted, so that the shoe upper die is suitable for shoe uppers with different thicknesses.

As a modified specific embodiment, the softening mechanism 3 includes a water tank 31, a pipe 32, a valve, a nozzle 34 for ejecting steam, and a heater for heating liquid in the water tank 31, the water tank 31 is fixed below the worktable 1, the heater is disposed in the water tank 31, the pipe 32 is disposed on the worktable 1 and has one end communicating with the water tank 31, the valve is disposed on the pipe 32, and the nozzle 34 is disposed at one end of the pipe 32 opposite to the water tank 31 and close to the lower die 25.

Before the shaping vamp, operating personnel start equipment earlier, heat the liquid in the water tank 31, produce steam, then start the valve, make steam spout from shower nozzle 34 on the moulding 25 down, soften the vamp on the moulding 25 down, make the vamp have better deformability to make the vamp shaping more easily.

As a modified specific embodiment, the vibration generator 21 includes a housing 211 and an eccentric ball 212, the upper portion of the housing 211 is connected to the cylinder 23, the lower portion of the housing 221 is connected to the upper die 22, a pie rolling cavity 213 for the ball 212 to roll is provided in the housing 211, an air inlet 214 and an air outlet 215 are provided on the housing 211, and an air inlet direction of the air inlet 214 and an air outlet direction of the air outlet 215 are tangential to an outer circle of the rolling cavity 213, so as to push the ball 212 to roll in the rolling cavity 213 when connected to an air source.

The air inlet 214 is connected with an air source, after the air source blows air towards the air inlet 214, the air flows along the annular surface of the rolling cavity 213, the ball 212 is pushed to roll along the annular surface of the rolling cavity 213, and the ball 212 is an eccentric ball 212, so that hammering with regular change is generated on the contact surface in the rolling process, the shell 211 vibrates, and the upper pressing die 22 vibrates. The invention generates vibration by rolling the eccentric ball 212 in the rolling cavity 213, and has simple and compact structure.

As an improved specific embodiment, the upper die 22 includes a connecting block 221 and a forming block 222 fixed to each other, a fixing structure for fixing the connecting block 221 is disposed on the vibration generator 21, the fixing structure includes a second spring 223, a fixing block 224 and a toggle block 225, a positioning hole 226 for the connecting block 221 to be inserted into is disposed on the vibration generator 21, a second mounting groove 227 is disposed on a side wall of the positioning hole 226, a fixing hole 228 is disposed on the connecting block 221, the fixing block 224 is slidably disposed in the second mounting groove 227, the second spring 223 is disposed in the second mounting groove 227, one end of the spring abuts against a groove bottom of the second mounting groove 227, the other end of the spring abuts against the fixing block 224, the fixing block 224 is pushed to slide towards the connecting block 221, when the fixing hole 228 slides to the position of the fixing block 224, the fixing block 224 is partially inserted into the fixing hole 228 to lock the connecting block 221 and the vibration generator 21, a toggle hole 229, the dial 225 is connected with the fixed block 224 and extends out of the dial hole 229.

When processing the shoes with different specifications, the operator pulls the toggle block 225 to enable the fixed block 224 to slide back to the fixed hole 228, the locking of the connecting block 221 is released, then the operator replaces the upper pressing die, a new upper pressing die is installed on the vibration generator 21, after the new upper pressing die is placed in place in the positioning hole 226, the operator releases the toggle block 225, the second spring 223 pushes the fixed block 224 to be embedded into the fixed hole 228, and the upper pressing die is installed on the vibration generator 21. In this embodiment, the operator only needs to dial the toggle block 225 to disassemble and assemble the upper pressing die 22 from the vibration generator 21, so that the operation is convenient, and the efficiency of replacing the upper pressing die 22 by the operator is improved.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection 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 fixed knot of vamp trimmer constructs which characterized in that: the shoe upper shaping device comprises a workbench (1), a softening mechanism (3) for softening the shoe upper and a shaping mechanism (2) for shaping the shoe upper, wherein the shaping mechanism (2) and the softening mechanism (3) are arranged on the workbench (1), the shaping mechanism (2) comprises a vibration generator (21), an upper pressing die (22), a lower pressing die (25), an air cylinder (23) and a support frame (24), the lower pressing die (25) and the support frame (24) are fixed on the workbench (1), the air cylinder (23) is fixed on the support frame (24) and is positioned right above the lower pressing die (25), the vibration generator (21) is fixed on a push rod of the air cylinder (23), the upper pressing die (22) is fixed on the vibration generator (21), an adsorption structure for adsorbing the shoe upper is arranged on the lower pressing die (25), the adsorption structure comprises an air pump (4), and an air cavity is formed in the lower pressing die (25), the air pump type air compressor is characterized in that an air suction hole (252) communicated with an air cavity is formed in the upper surface of the lower pressing die (25), a connecting port connected with the air cavity is formed in the lower pressing die (25), the air pump (4) is connected with the connecting port, the supporting frame (24) comprises three concave side plates (241) vertically arranged on the workbench (1) and a top plate (242) horizontally arranged at one end, back to the workbench (1), of the side plates (241), slide rails (26) extending along the vertical direction are arranged on the side plates (241), slide grooves are formed in the top plate (242), the slide rails (26) are arranged in the slide grooves in a sliding mode, a fixing mechanism used for fixing the top plate (242) is arranged on the side plates (241), the fixing mechanism comprises a rack (41), a first spring (42) and a lever (43), fixing teeth (46) are arranged on the top plate (242), and a first mounting groove (44) is formed in the side plate (241), the through hole (45) that supplies rack (41) to pass through is seted up to the tank bottom of first mounting groove (44), lever (43) articulate in first mounting groove (44), the one end at lever (43) is fixed in rack (41), first spring (42) set up in first mounting groove (44), and one end supports the one end that lever (43) dorsad rack (41), and the other end supports the tank bottom of first mounting groove (44), promotes rack (41) and passes through hole (45) and move towards roof (242), makes rack (41) and fixed tooth (46) mesh to fix roof (242) on curb plate (241).

2. A fixing structure of a shoe upper trimmer according to claim 1, characterized in that: the lower pressing die (25) is provided with a positioning groove for embedding the vamp, and the air suction holes (252) are arranged in the positioning groove.

3. A fixing structure of a shoe upper trimmer according to claim 2, characterized in that: softening mechanism (3) include water tank (31), pipeline (32), valve, be used for shower nozzle (34) of blowout steam and be used for heating the heater of the liquid in water tank (31), workstation (1) below is fixed in water tank (31), the heater sets up in water tank (31), pipeline (32) set up on workstation (1) and one end and water tank (31) intercommunication, the valve sets up on pipeline (32), shower nozzle (34) set up in pipeline (32) one end of water tank (31) dorsad and be close to die (25) setting down.

4. A fixing structure of a shoe upper trimmer according to claim 3, characterized in that: the vibration generator (21) comprises a shell (211) and eccentric balls (212), the upper portion of the shell (211) is connected with a cylinder (23), the lower portion of the shell (221) is connected with an upper pressing die (22), a pie rolling cavity (213) for the balls (212) to roll is arranged in the shell (211), an air inlet (214) and an air outlet (215) are arranged on the shell (211), and the air inlet direction of the air inlet (214) and the air outlet direction of the air outlet (215) are tangent to the excircle of the rolling cavity (213) so as to push the balls (212) to roll in the rolling cavity (213) when connected with an air source.

5. The fixing structure of a shoe upper trimmer according to claim 4, characterized in that: the upper pressing die (22) comprises a connecting block (221) and a forming block (222) which are fixed with each other, a fixing structure used for fixing the connecting block (221) is arranged on the vibration generator (21), the fixing structure comprises a second spring (223), a fixing block (224) and a toggle block (225), a positioning hole (226) for the connecting block (221) to be embedded is formed in the vibration generator (21), a second mounting groove (227) is formed in the side wall of the positioning hole (226), a fixing hole (228) is formed in the connecting block (221), the fixing block (224) is arranged in the second mounting groove (227) in a sliding mode, the second spring (223) is arranged in the second mounting groove (227), one end of the second spring is abutted against the groove bottom of the second mounting groove (227), the other end of the second spring is abutted against the fixing block (224), the fixing block (224) is pushed to slide towards the connecting block (221), and when the fixing hole (228) slides to the position of the fixing block (, the fixing block (224) is partially embedded into the fixing hole (228), the connecting block (221) is locked with the vibration generator (21), a toggle hole (229) is formed in the side wall of the mounting groove (227), and the toggle block (225) is connected with the fixing block (224) and extends out of the toggle hole (229).