Hot and cold automatic die changing equipment

Abstract

The utility model discloses hot and cold automatic die changing equipment which comprises a rack, an operation table is arranged at one end of the rack, a hot pressing device and a cold pressing device which are arranged in parallel are arranged in the rack, each of the hot pressing device and the cold pressing device comprises an upper pressing plate and a lower pressing plate, and a translation device is further arranged on the rack. The translation device comprises a fixing rod for placing a product, a pressing rod, a translation mechanism and a lifting mechanism; and the upper pressing plate and the lower pressing plate are respectively provided with limiting grooves for fixing the pressing rod and the fixing rod. The fixing rod and the pressing rod are arranged, the limiting grooves are formed in the upper pressing plate and the lower pressing plate, and when the fixing rod and the pressing rod drive the die to move to the hot pressing device or the cold pressing device, the fixing rod and the pressing rod are embedded into the upper pressing plate and the lower pressing plate so that the die can make direct contact with the upper pressing plate and the lower pressing plate; the direct contact between the die and the upper and lower pressing plates can more effectively conduct pressure and temperature, so that energy waste is reduced, and the processing efficiency and the product quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shoe upper production, in particular to a hot and cold automatic mold changing device. Background Art

[0002] Both upper shaping and upper printing require hot pressing and cold pressing operations, specifically hot pressing first and then cold pressing. The specific method is to load the upper into the mold, and then place the mold on the machine. The machine is equipped with a working plate for placing the mold and the upper and a fixed plate for pressing the mold and the upper. The mold and fabric are first placed on the working plate, and then the working plate, the mold and the fabric are transported to the hot pressing molding station for hot pressing and shaping; after the hot pressing is completed, the working plate, the mold and the hot pressed fabric are transported to the cold pressing molding station for cooling; after the cooling is completed, the working plate, the mold and the formed fabric are sent back to the starting position together, so that the operator can take out the formed fabric. Due to the provision of a working plate and a fixed plate, during hot pressing or cold pressing, the energy is first transmitted to the working plate and the fixed plate, and then to the mold, which wastes energy. In addition, the different conduction of the working plate and the fixed plate may cause uneven heating of the mold, affecting product quality. Utility Model Content

[0003] The purpose of the utility model is to provide a hot and cold automatic mold changing device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hot and cold automatic mold changing equipment, comprising a frame, an operating table is arranged at one end of the frame, a hot pressing device and a cold pressing device arranged in parallel are arranged in the frame, the hot pressing device and the cold pressing device both include an upper pressing plate and a lower pressing plate, and the frame is also provided with a translation device for driving the product to move between the operating table, the hot pressing device and the cold pressing device, the translation device includes a fixed rod for placing the product, a pressure rod, a translation mechanism for driving the fixed rod and the pressure rod to move between the operating table, the hot pressing device and the cold pressing device, and a lifting mechanism for driving the pressure rod to move up and down relative to the fixed rod, and the upper pressing plate and the lower pressing plate are respectively provided with limit grooves for the fixed pressure rod and the fixed rod.

[0005] Furthermore, there are at least two fixing rods, and the plurality of fixing rods are arranged in parallel.

[0006] Furthermore, the hot pressing device is arranged at one end of the operating table.

[0007] Furthermore, the hot pressing device includes two, the two hot pressing devices are symmetrically arranged on both sides of the cold pressing device, and another operating table is provided at the other end of the frame.

[0008] Furthermore, the hot pressing device includes a hot pressing cylinder, an upper hot pressing plate and a lower hot pressing plate. The telescopic end of the hot pressing cylinder is connected to the upper hot pressing plate to drive the upper hot pressing plate to rise and fall relative to the lower hot pressing plate.

[0009] Furthermore, the cold pressing device includes a cold pressing cylinder, an upper cold pressing plate and a lower cold pressing plate. The telescopic end of the cold pressing cylinder is connected to the upper cold pressing plate to drive the upper cold pressing plate to rise and fall relative to the lower cold pressing plate.

[0010] Furthermore, the translation mechanism includes a first guide rail, a first slider, a first drag chain and a first motor. The first guide rail is fixed on a frame, the fixing rod is fixed on the first slider, the first slider is connected to the first guide rail and moves along the first guide rail, the first drag chain is arranged in the first guide rail and is respectively connected to the first slider and the first motor, and the first drag chain drives the first slider to move along the first guide rail when driven by the first motor.

[0011] Furthermore, the translation mechanism includes two groups, the two groups of translation mechanisms are symmetrically arranged on both sides of the frame, and the fixing rods are fixed to the first sliding blocks on both sides.

[0012] Furthermore, the lifting mechanism includes a movable seat and a lifting cylinder, the movable seat is fixedly arranged on the first slider, the lifting cylinder is fixedly arranged on the movable seat, and the telescopic end of the lifting cylinder is connected to the pressure rod to drive the pressure rod to move up and down relative to the fixed rod.

[0013] Furthermore, the translation device also includes a second translation mechanism for driving the pressure rod to move, the second translation mechanism includes a second guide rail, a second slider, a second drag chain and a second motor, the second guide rail is fixed on the movable seat, the lifting cylinder is fixed on the second slider, the second slider is connected to the second guide rail and moves along the second guide rail, the second drag chain is arranged in the second guide rail and is respectively connected to the second slider and the second motor, and the second drag chain drives the second slider to move along the second guide rail when driven by the second motor.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model is provided with a fixing rod and a pressing rod, and a limiting groove is provided on the upper pressing plate and the lower pressing plate. When the fixing rod and the pressing rod drive the mold to move to the hot pressing device or the cold pressing device, the fixing rod and the pressing rod are embedded in the upper pressing plate and the lower pressing plate so that the mold is in direct contact with the upper pressing plate and the lower pressing plate. The direct contact between the mold and the upper and lower pressing plates can more effectively transmit pressure and temperature, reduce energy waste, and improve processing efficiency and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the hot and cold automatic mold changing equipment of the utility model;

[0016] Figure 2This is a schematic diagram of the structure of the hot pressing device and the cold pressing device in the hot and cold automatic mold changing equipment of the utility model. Figure 1 ;

[0017] Figure 3 This is a schematic diagram of the translation device in the hot and cold automatic mold changing equipment of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the hot pressing device and the cold pressing device in the hot and cold automatic mold changing equipment of the utility model. Figure 2 ;

[0019] In the figure, 100-frame, 1-operating table, 2-hot pressing device, 21-hot pressing cylinder, 22-upper hot pressing plate, 221-upper limit slot, 23-lower hot pressing plate, 231-lower limit slot, 3-cold pressing device, 31-cold pressing cylinder, 32-upper cold pressing plate, 321-upper limit slot, 33-lower cold pressing plate, 331-lower limit slot, 41-fixed rod, 42-pressing rod, 43-translational mechanism, 431-first guide rail, 432-first slider, 44-lifting mechanism, 441-movable seat, 442-lifting cylinder, 443-connecting plate, 45-second translation mechanism, 451-second guide rail, 46-spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1 to Figure 3As shown, the present embodiment provides a hot and cold automatic mold changing device, which can be used for shaping and printing of shoe uppers, etc., and includes a frame 100, one end of which is provided with an operating table 1, and the frame 100 is provided with a hot pressing device 2 and a cold pressing device 3 arranged in parallel. For example, the hot pressing device 2 and the cold pressing device 3 are arranged front and back, and the cold pressing device 3 can be arranged at the front end or the rear end of the hot pressing device 2, and the hot and cold processing as a whole is shown to be running on the same track, so that the width of the overall equipment is greatly reduced, and the hot pressing device 2 includes a hot pressing cylinder 21, an upper hot pressing plate 22 and a lower hot pressing plate 23, and the telescopic end of the hot pressing cylinder 21 is connected to the upper hot pressing plate 22 to drive the upper hot pressing plate 23 to move ... The plate 22 is lifted up and down relative to the lower hot pressing plate 23 to perform hot pressing processing on the shoe upper. The upper hot pressing plate 22 and the lower hot pressing plate 23 can generate heat by means of electric heating pipes. The specific heating method is the existing technology and will not be described in detail here. The cold pressing device 3 includes a cold pressing cylinder 31, an upper cold pressing plate 32 and a lower cold pressing plate 33. The telescopic end of the cold pressing cylinder 31 is connected to the upper cold pressing plate 32 to drive the upper cold pressing plate 32 to lift up and down relative to the lower cold pressing plate 33 to perform cold pressing processing on the shoe upper. The upper cold pressing plate 32 and the lower cold pressing plate 33 can both be refrigerated by circulating cold water in a cold water pipe. The specific refrigeration method is also the existing technology and will not be described in detail here.

[0022] The frame 100 is also provided with a translation device for driving the product to move between the operating table 1, the hot pressing device 1 and the cold pressing device 2, the translation device includes a fixed rod 41 for placing the product, a pressure rod 42, a translation mechanism 43 for driving the fixed rod 41 and the pressure rod 42 to move between the operating table 1, the hot pressing device 2 and the cold pressing device 3, a lifting mechanism 44 for driving the pressure rod 42 to move up and down relative to the fixed rod 41, and a second translation mechanism 45 for driving the pressure rod to move, the upper hot pressing plate 22, the upper cold pressing plate 32 and the lower hot pressing plate 23, the lower cold pressing plate 33 are respectively provided with upper limit grooves (221, 321) and lower limit grooves (231, 331) for fixing the pressure rod 42 and the fixed rod 41, in this embodiment, at least two fixed rods 41 are provided, and multiple fixed rods 41 are arranged in parallel, for example, two fixed rods 41 are provided, and the two fixed rods 41 are symmetrically arranged on the left and right sides of the pressure rod 42;

[0023] The translation mechanism 43 includes a first guide rail 431, a first slider 432, a first drag chain and a first motor. The first guide rail 431 is fixed on the frame 100. The fixed rod 41 is fixed on the first slider 432. The first slider 432 is connected to the first guide rail 431 and moves along the first guide rail 431. The first drag chain is arranged in the first guide rail 431 and is respectively connected to the first slider 432 and the first motor. The first drag chain drives the first slider 432 to move along the first guide rail 431 under the drive of the first motor. The first motor is used as a prime mover, and a stepping motor can be used. The control of the first motor by the control device can realize the control of the position of the first slider 432, thereby realizing the forward and backward movement of the fixed rod 41. The translation mechanism 43 includes two groups, and the two groups of translation mechanisms 43 are symmetrically arranged on both sides of the frame 100.

[0024] The lifting mechanism 44 includes a movable seat 441 and a lifting cylinder 442. The movable seat 442 is fixedly arranged on the first slider 432. The lifting cylinder 442 is fixedly arranged on the movable seat 441. The telescopic end of the lifting cylinder 442 is connected to the pressure rod 42 to drive the pressure rod 42 to move up and down relative to the fixed rod 41. In this embodiment, the telescopic end of the lifting cylinder 442 is provided with a connecting plate 443. The other end of the connecting plate 443 is connected to the pressure rod 42. 4 is also provided with two groups, the pressing rod 42 is fixed on the connecting plates 443 on both sides, and a spring 46 is provided between the first slider 432 and the movable seat 441, so that when the upper hot pressing plate 22 and the upper cold pressing plate 32 are pressed down, the pressing rod 42 is embedded in the upper limit groove (221, 321), the fixing rod 41 is embedded in the lower limit groove (321, 321), and the fixing rod 41 is fixed on the movable seats 441 on both sides, so as to realize the stable support for the movement of the fixing rod 41 and improve the accuracy of the position;

[0025] The second translation mechanism 45 includes a second guide rail 451, a second slider, a second drag chain and a second motor. The second guide rail 451 is fixed on the movable seat 441. The lifting cylinder 442 is fixed on the second slider. The second slider is connected to the second guide rail 451 and moves along the second guide rail 451. The second drag chain is arranged in the second guide rail 451 and is respectively connected to the second slider and the second motor. The second drag chain drives the second slider to move along the second guide rail 451 under the drive of the second motor.

[0026] The positions of the hot pressing device 2 and the cold pressing device 3 can be fixed by a travel switch. When the fixing rod 41 moves on the cold pressing device 2 or the hot pressing device 3, the travel switch is triggered, so that the fixing rod 42 stops at this position.

[0027] The staff stands at the side of the operating table 1, loads the shoe upper to be processed into the mold, places the mold on the fixed rod 41, and the lifting cylinder 442 extends out to drive the pressure rod 42 to press down to tighten the mold. The first motor drives the first slider 432 to move along the first guide rail 431, and then drives the fixed rod 41, the pressure rod 42 and the mold to move. When the mold moves to the bottom of the hot pressing device 2, it triggers the travel switch and stops. The fixed rod 41 is located at the lower limit groove 231, and the pressure rod 42 is located at the upper limit groove 221. The hot pressing cylinder 21 drives the upper hot pressing plate 22 to press down, embed the pressure rod 42 in the upper limit groove 221, and embed the fixed rod 41 in the lower limit groove 231. The upper hot pressing plate 22 and the lower hot pressing plate 23 perform hot pressing processing on the shoe upper. After the processing is completed, the first motor continues to drive the mold After moving to the lower triggering stroke switch of the cold pressing device 2, it stops. The fixed rod 41 is located at the lower limit groove 331, and the pressure rod 42 is located at the upper limit groove 321. The cold pressing cylinder 31 drives the upper cold pressing plate 32 to press down, embeds the pressure rod 42 in the upper limit groove 321, and embeds the fixed rod 41 in the lower limit groove 331. The upper cold pressing plate 32 and the lower cold pressing plate 33 cold-form the shoe upper. After the forming is completed, the first motor continues to drive the mold to return to the operating table 1, and the lifting cylinder 442 retracts, driving the pressure rod 42 to rise, and releasing the mold. The second motor drives the second slide block 532 to move along the second guide rail 531, drives the lifting cylinder 442 to move, and then drives the pressure rod 42 away from the fixed rod 41. The staff opens the mold and removes the shoe upper, completing a working cycle.

[0028] like Figure 4As shown, the hot pressing device 2 includes two, two hot pressing devices 2 are symmetrically arranged on both sides of the cold pressing device 3, and another operating table 1 is set at the other end of the frame 100. The hot pressing device 2 is set at one end of the operating table 1 and is equipped with another set of translation devices 4. When working, the staff on the front and rear operating tables 1 put the upper to be processed into the mold, put the front mold on the fixed rod 41, clamp the mold through the lifting mechanism 44, and send the front mold to the front hot pressing device 2 through the translation mechanism 43 for hot pressing molding process. After 3 seconds, the rear mold is placed on the fixed rod 41, and the mold is sent to the rear hot pressing device 2 through the translation mechanism 43 for hot pressing molding process. After another 3 seconds, the hot pressing molding process on the front side is completed. After the hot pressing process is completed, the translation mechanism 43 sends the front mold to the cold pressing device 3 for cooling and shaping process. After another 3 seconds, the cooling and shaping process of the front mold is completed, and it is driven back to the front operating table 1 through the translation mechanism 43. The hot pressing process on the rear side is also completed, and the rear mold is sent to the cold pressing device 3 for cooling and shaping process through the translation mechanism 43. After another 3 seconds, the cooling and shaping process of the rear mold is completed, and it is driven back to the rear operating table 1 through the translation mechanism 43. In this way, the front and rear hot pressing devices 2 use the time difference between hot pressing and cooling and shaping to alternately and orderly convey the hot-formed products to the cold pressing device 3. The processing time of the cold pressing device 3 is greatly increased, and the time utilization rate is improved, which can not only reduce the number of cold pressing devices configured, but also improve the overall processing efficiency.

[0029] The utility model provides a fixing rod and a pressing rod, and opens limiting grooves on the upper pressing plate and the lower pressing plate. When the fixing rod and the pressing rod drive the mold to move to the hot pressing device or the cold pressing device, the fixing rod and the pressing rod are embedded in the upper pressing plate and the lower pressing plate so that the mold is in direct contact with the upper pressing plate and the lower pressing plate. The direct contact between the mold and the upper and lower pressing plates can more effectively transmit pressure and temperature, reduce energy waste, and improve processing efficiency and product quality.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hot and cold automatic mold changing device, characterized in that: The invention comprises a frame, an operating table is arranged at one end of the frame, a hot pressing device and a cold pressing device are arranged in parallel in the frame, the hot pressing device and the cold pressing device both comprise an upper pressing plate and a lower pressing plate, and a translation device for driving the product to move between the operating table, the hot pressing device and the cold pressing device is also arranged on the frame, the translation device comprises a fixed rod and a pressing rod for placing the product, a translation mechanism for driving the fixed rod and the pressing rod to move between the operating table, the hot pressing device and the cold pressing device, and a lifting mechanism for driving the pressing rod to move up and down relative to the fixed rod, and the upper pressing plate and the lower pressing plate are respectively provided with limiting grooves for fixing the pressing rod and the fixed rod.

2. The hot and cold automatic mold changing equipment according to claim 1 is characterized in that: At least two fixing rods are provided, and a plurality of fixing rods are arranged in parallel.

3. The hot and cold automatic mold changing equipment according to claim 1 is characterized in that: The hot pressing device is arranged at one end of the operating table.

4. The hot and cold automatic mold changing equipment according to claim 1 is characterized in that: The hot pressing devices include two, which are symmetrically arranged on both sides of the cold pressing device, and another operating table is arranged at the other end of the frame.

5. The hot and cold automatic mold changing equipment according to claim 1 is characterized in that: The hot pressing device comprises a hot pressing cylinder, an upper hot pressing plate and a lower hot pressing plate. The telescopic end of the hot pressing cylinder is connected to the upper hot pressing plate to drive the upper hot pressing plate to rise and fall relative to the lower hot pressing plate.

6. The hot and cold automatic mold changing equipment according to claim 1 is characterized in that: The cold pressing device comprises a cold pressing cylinder, an upper cold pressing plate and a lower cold pressing plate. The telescopic end of the cold pressing cylinder is connected to the upper cold pressing plate to drive the upper cold pressing plate to rise and fall relative to the lower cold pressing plate.

7. The hot and cold automatic mold changing equipment according to claim 1 is characterized in that: The translation mechanism includes a first guide rail, a first slider, a first drag chain and a first motor. The first guide rail is fixed on a frame, the fixing rod is fixed on the first slider, the first slider is connected to the first guide rail and moves along the first guide rail, the first drag chain is arranged in the first guide rail and is respectively connected to the first slider and the first motor, and the first drag chain drives the first slider to move along the first guide rail when driven by the first motor.

8. The hot and cold automatic mold changing equipment according to claim 7 is characterized in that: The translation mechanism comprises two groups, the two groups of translation mechanisms are symmetrically arranged on both sides of the frame, and the fixing rods are fixed on the first sliding blocks on both sides.

9. The hot and cold automatic mold changing equipment according to claim 7, characterized in that: The lifting mechanism includes a movable seat and a lifting cylinder. The movable seat is fixedly arranged on the first sliding block. The lifting cylinder is fixedly arranged on the movable seat. The telescopic end of the lifting cylinder is connected to a pressure rod to drive the pressure rod to move up and down relative to the fixed rod.

10. The hot and cold automatic mold changing equipment according to claim 9, characterized in that: The translation device also includes a second translation mechanism for driving the pressure rod to move, the second translation mechanism includes a second guide rail, a second slider, a second drag chain and a second motor, the second guide rail is fixed on the movable seat, the lifting cylinder is fixed on the second slider, the second slider is connected to the second guide rail and moves along the second guide rail, the second drag chain is arranged in the second guide rail and is respectively connected to the second slider and the second motor, and the second drag chain drives the second slider to move along the second guide rail under the drive of the second motor.

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