Self-adjusting single-face shoe last pressing machine

Abstract

The utility model discloses a self-adjusting single-face shoe last pressing machine, which belongs to the technical field of shoemaking equipment and comprises a machine body, a main transverse frame is arranged in the middle of the machine body, an auxiliary transverse frame is arranged on the machine body, a shoe last pressing mechanism is arranged between the auxiliary transverse frame and the main transverse frame, and the shoe last pressing mechanism comprises an electric control pressure plate assembly and a detection assembly. The electric control pressure disc assembly comprises an electric control push rod, a bearing plate and a pressure disc plate, the electric control push rod is fixed to the auxiliary transverse frame, the detection assembly comprises a pressure detection piece, a temperature detection piece and a deformation detection piece, a PLC control touch screen is arranged on the machine body, and pressure, temperature and deformation parameters in the process can be monitored in real time through the electric control pressure disc assembly and the multiple detection assemblies; the pressure value is automatically adjusted in real time according to detected parameters, the problem caused by a fixed pressure mode of an existing single-face shoe last pressing machine is effectively solved through the self-adaptive adjusting mechanism, structural damage generated in the cooling and shrinking process of a shoe sole is avoided, the defects of size out-of-tolerance, uneven density and the like are reduced, and the rejection rate is reduced.

Description

TECHNICAL FIELD

[0001] The utility model discloses a self -adjusting single -sided shoe -tree pressing machine belongs to shoemaking equipment technical field. BACKGROUND

[0002] Shoe -tree pressing machine is the key equipment for the bottom of the shoe type in shoemaking industry, and is divided into single -sided and double -sided, the difference lies in can both sides process simultaneously or can only unilateral processing, and the bottom of the shoe just from the injection molding machine comes nearly 100 degrees, and the size is bigger, needs to pass through the constant temperature type line, although the temperature has dropped after passing through the constant temperature type line, but the size is still not standard, thereby needs to enter the shoe -tree pressing machine again and is shaped into standard size. However, the following key problems exist in the prior art single -sided shoe -tree pressing machine:

[0003] The non-linear size deformation of the shoe sole is caused by material cooling shrinkage in the pressing disc process, and the existing equipment adopts the fixed pressure mode, and the dynamic deformation characteristics under the temperature-pressure coupling can cause the mismatching of the pressure parameters and the material phase change process, thereby causing the type accuracy deviation, the shoe sole structure damage and other problems, resulting in the size of the shaped shoe sole still exists the defects such as size out of tolerance, density uneven, and the scrap rate is high, in the prior art, although manual intervention can be carried out, but the final product can achieve satisfactory effect, which depends on the experience and judgment of the operator, therefore only the method of sampling detection adjustment can be adopted, and the regulation and control cannot be realized in large quantities, therefore in order to solve this problem, a new scheme needs to be proposed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving above -mentioned problem and provides a self -adjusting single -sided shoe -tree pressing machine.

[0005] The utility model realizes the above -mentioned purpose through the following technical scheme, a self -adjusting single -sided shoe -tree pressing machine, including the body, the middle part of body is provided with main cross -beam, and the both sides of main cross -beam in body are provided with two groups of vice cross -beam, and the vice cross -beam is provided with shoe -tree pressing mechanism between main cross -beam, and the shoe -tree pressing mechanism includes electric control pressure disc assembly and detection component, and the electric control pressure disc assembly includes electric control push rod, bearing plate and pressure disc plate, and the electric control push rod is fixed on vice cross -beam, and the output end faces main cross -beam, and the detection component includes pressure detection piece, temperature detection piece and deformation detection piece, and the body is provided with PLC control touch -sensitive screen.

[0006] Preferably, the pressure disc plate above the main cross -beam is fixed with the output end of the electric control push rod, the bearing plate is arranged at one end close to the main cross -beam, the bearing plate below the main cross -beam is fixed with the output end of the electric control push rod, and the pressure disc plate is arranged at one end close to the main cross -beam.

[0007] Preferably, one end of the pressure detecting piece is connected with the main cross frame, the pressure detecting piece above the main cross frame is connected with the placing plate, the pressure detecting piece below the main cross frame is connected with the pressure plate, and the pressure detecting piece is a pressure sensor.

[0008] Preferably, the temperature detecting pieces on both sides of the main cross frame are arranged in the placing plate, a limiting side plate is arranged on the placing plate, the temperature detecting pieces are fixed in the limiting side plate, and the sensing ends face the inner side, and the temperature detecting pieces are infrared temperature sensors.

[0009] Preferably, the deformation detecting pieces on both sides of the main cross frame are arranged in the pressure plate, and the sensing ends face the placing plate, and the deformation detecting pieces are ultrasonic sensors.

[0010] Preferably, a plurality of air cooling fans are fixed in the machine body, the air cooling fans are arranged on the upper and lower sides of the main cross frame, the number of the air cooling fans corresponds to the placing plate, and the positions of the air cooling fans are aligned with the placing plate.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] By introducing the electric control pressure plate assembly and the plurality of detecting assemblies in the laster, the pressure, temperature and deformation parameters in the process can be monitored in real time, and then the PLC system is utilized to automatically adjust the pressure value in the pressure plate process according to the detected parameters in real time, so that the shoe sole can be in the best state in the whole pressure plate process, the self-adaptive adjustment mechanism effectively solves the temperature-pressure coupling problem caused by the fixed pressure mode of the existing single-face laster, avoids the nonlinear size deformation and structural damage of the shoe sole in the cooling shrinkage process, reduces the size out-of-tolerance and density uneven defects, and reduces the scrap rate. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a side view cross-sectional structure schematic of the utility model Figure 1 ;

[0014] Figure 2 It is a side view cross-sectional structure schematic of the utility model Figure 2 ;

[0015] Figure 3 It is a front view structure schematic of the utility model.

[0016] Mark: 1, machine body; 2, main cross frame; 3, auxiliary cross frame; 4, electric control pressure plate assembly; 41, electric control push rod; 42, placing plate; 43, pressure plate; 44, limiting side plate; 5, detecting assembly; 51, pressure detecting piece; 52, temperature detecting piece; 53, deformation detecting piece; 6, PLC control touch screen; 7, air cooling fan. DETAILED DESCRIPTION

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the present utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0018] A self-adjusting single-sided pressing machine, such as Figures 1-3 As shown, the machine includes a body 1, a main crossbeam 2 in the middle of the body 1, and two sets of auxiliary crossbeams 3 on both sides of the main crossbeam 2. Both sides of the main crossbeam 2 and the auxiliary crossbeams 3 are provided with flat plates for mounting components or for pressing the sole. A pressing mechanism is provided between the auxiliary crossbeams 3 and the main crossbeam 2. The pressing mechanism specifically includes an electrically controlled pressing plate assembly 4 and a detection assembly 5. The electrically controlled pressing plate assembly 4 is used to press the sole, while the detection assembly 5 can detect various parameters affecting the pressing plate during the pressing process. The body 1 is equipped with a PLC-controlled touch screen 6. Through the PLC system program, the electrically controlled pressing plate assembly 4 can automatically adjust the pressure parameters according to the various values ​​measured by the detection assembly 5 during the pressing operation, so that the sole can be in the best condition throughout the pressing process, and the final product of the shaped sole will have a better effect.

[0019] The electrically controlled pressure plate assembly 4 includes an electrically controlled push rod 41, a support plate 42, and a pressure plate 43. The electrically controlled push rod 41 is fixed to the secondary crossbeam 3, with its output end facing the main crossbeam 2. The pressure plate 43, located above the main crossbeam 2, is fixed to the output end of the electrically controlled push rod 41. The support plate 42 is positioned near the end of the main crossbeam 2. The support plate 42, located below the main crossbeam 2, is fixed to the output end of the electrically controlled push rod 41. The pressure plate 43 is positioned near the end of the main crossbeam 2. This completes the assembly of a set of electrically controlled pressure plates. In component 4, the support plate 42 is positioned at the bottom and the pressure plate 43 is positioned at the top. During the last pressing process, simply place the mold on the support plate 42, place the sole on the mold, place the last on the sole, and then activate the electric push rod 41 to bring the support plate 42 and the pressure plate 43 close together and press against each other. The electric pressure plate assembly 4 above the main crossbeam 2 drives the pressure plate 43 to press down, while the electric pressure plate assembly 4 above the main crossbeam 2 drives the support plate 42 to push up.

[0020] The detection assembly 5 comprises a pressure detection piece 51, a temperature detection piece 52 and a deformation detection piece 53, which can respectively detect the pressure received by the shoe sole, the temperature of the shoe sole and the thickness of the shoe sole on the shoe sole pressure disc and feed back the detected parameters to the PLC system in real time, so that the system automatically adjusts the pressure value of the electric control push rod 41.

[0021] The pressure detection piece 51 is connected to the main cross 2 at one end, the pressure detection piece 51 above the main cross 2 is connected to the supporting plate 42, and the pressure detection piece 51 below the main cross 2 is connected to the pressure disc plate 43, that is, connected to the plate close to the main cross 2. When the pressure disc, the workpiece on the supporting plate 42 is pressed against the pressure disc plate 43, and the pressure is transmitted to the pressure detection piece 51. The pressure detection piece 51 can be provided as a pressure sensor, which senses the pressure and transmits the data to the system of the PLC control touch screen 6.

[0022] The temperature detection pieces 52 on both sides of the main cross 2 are arranged in the supporting plate 42, and the supporting plate 42 is provided with a limiting side plate 44, the temperature detection piece 52 is fixed in the limiting side plate 44, and the sensing end faces the inside. The temperature detection piece 52 is provided as an infrared temperature sensor, which can effectively sense the real-time change data of the temperature of the shoe sole placed in the supporting plate 42 and transmit the data to the system of the PLC control touch screen 6.

[0023] The deformation detection pieces 53 on both sides of the main cross 2 are arranged in the pressure disc plate 43, and the sensing end faces the supporting plate 42. The deformation detection piece 53 is provided as an ultrasonic sensor, which can emit high-frequency sound waves and receive reflected signals to measure the thickness and other size value changes of the shoe sole in real time and transmit the data to the system of the PLC control touch screen 6.

[0024] A plurality of air cooling fans 7 are fixed in the machine body 1, the air cooling fans 7 are arranged on the upper and lower sides of the main cross 2, the number of the air cooling fans 7 corresponds to the supporting plate 42, and the positions of the air cooling fans 7 are aligned with the supporting plate 42. The air cooling fans 7 can quickly cool the shoe sole in the pressure disc, thereby improving the efficiency of the shaping.

[0025] In summary, the utility model introduces the electric control pressure disc assembly 4 and the detection assembly 5 in the last shaping machine, can monitor the pressure, temperature and deformation parameters in real time, and then uses the PLC system to automatically adjust the pressure value in the pressure disc process according to the detected parameters, so that the shoe sole can be in the best state in the whole pressure disc process. This self-adaptive adjustment mechanism effectively solves the temperature-pressure coupling problem caused by the fixed pressure mode of the existing single-sided last shaping machine, avoids the nonlinear size deformation and structural damage of the shoe sole in the cooling shrinkage process, reduces the size out-of-tolerance and density uneven defects, and reduces the scrap rate.

[0026] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments should, therefore, be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalents of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims concerned.

[0027] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every implementation embodies only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A self-adjusting single-sided lasting machine comprising a machine body (1), characterized in that: The machine body (1) is provided with a main cross frame (2), two groups of auxiliary cross frames (3) are arranged on both sides of the main cross frame (2), a pressing mechanism is arranged between the auxiliary cross frame (3) and the main cross frame (2), the pressing mechanism comprises an electric control pressure disc assembly (4) and a detection assembly (5), the electric control pressure disc assembly (4) comprises an electric control push rod (41), a bearing plate (42) and a pressure disc plate (43), the electric control push rod (41) is fixed on the auxiliary cross frame (3) and the output end faces the main cross frame (2), the detection assembly (5) comprises a pressure detection piece (51), a temperature detection piece (52) and a deformation detection piece (53), and the machine body (1) is provided with a PLC control touch screen (6).

2. A self-adjusting single lasting machine according to claim 1, characterized in that: The pressure disc plate (43) above the main cross frame (2) is fixed with the output end of the electric control push rod (41), the bearing plate (42) is arranged near one end of the main cross frame (2), the bearing plate (42) below the main cross frame (2) is fixed with the output end of the electric control push rod (41), and the pressure disc plate (43) is arranged near one end of the main cross frame (2).

3. A self-adjusting single lasting machine according to claim 2, characterized in that: One end of the pressure detection piece (51) is connected with the main cross frame (2), the pressure detection piece (51) above the main cross frame (2) is connected with the bearing plate (42), the pressure detection piece (51) below the main cross frame (2) is connected with the pressure disc plate (43), and the pressure detection piece (51) is a pressure sensor.

4. The self-adjusting single lasting machine according to claim 2, wherein: The temperature detection piece (52) on both sides of the main cross frame (2) is arranged in the bearing plate (42), the bearing plate (42) is provided with a limiting side plate (44), the temperature detection piece (52) is fixed in the limiting side plate (44) and the sensing end faces the inside, and the temperature detection piece (52) is an infrared temperature sensor.

5. A self-adjusting single lasting machine according to claim 2, wherein: The deformation detection piece (53) on both sides of the main cross frame (2) is arranged in the pressure disc plate (43) and the sensing end faces the bearing plate (42), and the deformation detection piece (53) is an ultrasonic sensor.

6. A self-adjusting single lasting machine according to claim 1, wherein: A plurality of air cooling fans (7) are fixed in the machine body (1), the air cooling fans (7) are arranged on the upper and lower sides of the main cross frame (2), the number of the air cooling fans (7) corresponds to the bearing plate (42), and the positions of the air cooling fans (7) are aligned with the bearing plate (42).

Images