CN217709234U - Mould fixing device and vehicle-mounted glass mould processing system - Google Patents

Abstract

A mold fixing device and a vehicle-mounted glass mold processing system relate to the technical field of vehicle-mounted glass production. The mould fixing device comprises a bottom plate and a negative pressure device; at least one air passage group is arranged in the bottom plate, and the air passage group penetrates through the side surface of the bottom plate and is communicated with the negative pressure device; the bottom plate is provided with a plurality of air holes, each air hole is communicated with the top end face of the bottom plate and the air passage group respectively, and the top end face of the bottom plate is used for placing a die. The utility model relates to a mould fixing device loops through air flue group and gas vent through negative pressure device and provides the negative pressure to the top end face, makes the mould adsorb through the negative pressure and is fixed in on the bottom plate to can be applicable to the fixed requirement of the on-vehicle glass mold of different specifications. The utility model relates to a mould fixing device utilizes the negative pressure to adsorb fixed mould, replaces the sticky tape material and uses, and reduce cost reduces the environmental pollution that the discarded object caused, has reduced the clamping fixed time of mould simultaneously, improves work efficiency, and compares in special fixture application scope extensively.

Description

Mould fixing device and vehicle-mounted glass mould processing system

Technical Field

The utility model relates to an on-vehicle glass production technical field especially relates to a mould fixing device and on-vehicle glass mold processing system.

Background

The shapes of the vehicle-mounted 3D glass are different, so that the sizes of the shapes of the molds for hot bending of the vehicle-mounted 3D glass are large. Consequently, at the mould that on-vehicle 3D glass used in the course of working, traditional a clamp tool that is used for fixed mould can't compromise the mould of different specifications, and adopt special fixture then can appear can't satisfy the condition that multiple model mould processed.

In order to meet the fixing requirements of moulds of different models, the mould material to be processed is fixed on a workbench by adopting an adhesive tape and glue, and the fixing mode has the following defects: the adhesive tape and the glue material are used once, so that the material waste is large; the fixing process is complicated, time-consuming and labor-consuming; when the die is finished and needs to be disassembled, a special tool is usually needed, and the die is easy to damage.

Therefore, a mold fixing device is needed to solve the problems that the traditional clamping jig for fixing the mold cannot take into account the molds with different specifications, and the conventional clamping jig for fixing the mold is wasteful of resources, time-consuming, labor-consuming and easy to damage when the mold to be processed is fixed by adding glue on an adhesive tape.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mould fixing device and on-vehicle glass mold processing system to solve traditional clamp tool that is used for fixed mould at least and can't compromise the mould of different specifications and adopt the sticky tape to add glue fixed when treating the mold processing wasting of resources, and waste time and energy, the fragile problem of mould.

In order to achieve the above object, the present invention provides the following technical solutions:

in a first aspect, the utility model provides a mold fixing device, which comprises a bottom plate and a negative pressure device; at least one air channel group is arranged in the bottom plate, penetrates through the side surface of the bottom plate and is communicated with the negative pressure device; the bottom plate is provided with a plurality of air holes, each air hole is communicated with the top end face of the bottom plate and the air passage group respectively, and the top end face of the bottom plate is used for placing a die.

Preferably, the bottom plate is rectangular and comprises the top end surface, the bottom end surface, a pair of first side surfaces and a pair of second side surfaces, the pair of first side surfaces are parallel to each other, and the pair of second side surfaces are parallel to each other and are respectively adjacent to one first side surface; at least one said air channel group is disposed between said top end surface and said bottom end surface; the bottom plate the top terminal surface be equipped with inside sunken air channel, it is a plurality of the top of gas pocket is located in the air channel, and follows the air channel equipartition.

Preferably, the die fixing device further comprises a sealing element, an annular sealing groove is formed in the end face of the top of the bottom plate, the sealing groove surrounds the vent groove, and the sealing element is clamped in the sealing groove.

Preferably, the flatness of the top end face and the bottom end face are respectively not more than 0.01mm; the parallelism between the top end face and the bottom end face is not more than 0.01mm; the roughness of the top end face and the bottom end face is not more than 1.63 μm, respectively.

Preferably, the air passage groups are a pair, and each air passage group comprises a pair of first air passage units and a pair of second air passage units; the pair of first air passage units are parallel to each other and respectively penetrate through the pair of first side surfaces; the pair of second air channel units are parallel to each other, extend inwards from one second side surface respectively, and are vertically intersected with the pair of first air channel units; the junctions of the pair of first air passage units and the pair of second air passage units are communicated to form a rectangular pipeline; the rectangular pipeline is communicated with an air inlet of the negative pressure device through the end part of the first air channel unit positioned on the first side surface or the end part of the second air channel unit positioned on the second side surface; the rectangular pipes of a pair of the air passage groups are independent of each other.

Preferably, the plurality of air holes are parallel to each other, and each air hole is communicated between one of the top end surfaces and the first air passage unit or the second air passage unit.

Preferably, in each air channel group, the ends of the first air channel unit and the second air channel unit which are not communicated with the negative pressure device are respectively connected with the first side surface or the second side surface in a sealing mode through a blocking piece.

Preferably, the air passage groups are a pair, each air passage group comprises a pair of annular air passage units, one end of each annular air passage unit passes through the first side surface or the second side surface and is communicated with the negative pressure device, each air hole is communicated between one top end face and the annular air channel unit.

Preferably, a plurality of mounting holes are formed in the bottom plate; the negative pressure device comprises a negative pressure machine, a pipeline and a control valve, the negative pressure machine comprises an air inlet and an air outlet, the air inlet is communicated with the pipeline through the air passage group, and the control valve is arranged on the pipeline.

In a second aspect, the utility model provides an on-vehicle glass mold processing system, include the utility model discloses the mould fixing device that the first aspect provided.

Compared with the prior art, the utility model discloses the mould fixing device that the first aspect provided has following beneficial effect at least: through set up air flue group in the bottom plate, and air flue group and negative pressure device intercommunication make air flue group in form the negative pressure, place on the terminal surface of the top of bottom plate when the mould, loop through air flue group and gas vent through negative pressure device and provide the negative pressure to the terminal surface of the top, make the mould adsorb through the negative pressure and be fixed in on the bottom plate to can be applicable to the fixed requirement of the on-vehicle glass mold of different specifications. The utility model relates to a mould fixing device utilizes the negative pressure to adsorb fixed mould, replaces the sticky tape material and uses, and reduce cost reduces the environmental pollution that the discarded object caused, has reduced the clamping fixed time of mould simultaneously, improves work efficiency, and it is wide to compare in special fixture application scope.

The utility model discloses the technical effect of the on-vehicle glass mold system of processing that the second aspect provided with the utility model discloses the mould fixing device that the first aspect provided has the same or similar technological effect.

The above description is only an outline of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the specification, the following detailed description will be given of preferred embodiments of the present invention in conjunction with the accompanying drawings.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. The several embodiments of the present invention are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 shows a schematic structural view of a mold fixture according to an exemplary embodiment of the present invention;

fig. 2 shows a bottom plate internal air passage component distribution schematic diagram of a mold fixture according to an exemplary embodiment of the present invention.

The reference numbers illustrate:

the gas pipeline sealing device comprises a base plate 1, a top end face 101, a first side face 102, a second side face 103, a vent groove 104, a sealing groove 105, a mounting hole 106, a gas channel group 2, a first gas channel unit 201, a second gas channel unit 202, a negative pressure device 3, a gas hole 4, a sealing element 5, a sealing element 6, a pipeline 7, a control valve 8 and a quick joint 9.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

It should be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

In order to solve the problems in the prior art, the present invention provides a mold fixing device, as shown in fig. 1 and 2, the mold fixing device includes a bottom plate 1 and a negative pressure device 3;

at least one air passage group 2 is arranged in the bottom plate 1, and the air passage group 2 penetrates through the side surface of the bottom plate 1 and is communicated with the negative pressure device 3;

be equipped with a plurality of gas pockets 4 on the bottom plate 1, every gas pocket 4 communicates the top terminal surface 101 and the air flue group 2 of bottom plate 1 respectively, and the top terminal surface 101 of bottom plate 1 is used for placing the mould, and with the bottom sealing connection of mould.

The utility model relates to a mould fixing device, through set up air flue group 2 in bottom plate 1, and air flue group 2 and negative pressure device 3 intercommunication make the air flue group form the negative pressure in 2, place on bottom plate 1's top end face 101 when the mould, negative pressure device 3 loops through air flue group 2 and provides the negative pressure through gas pocket 4 to top end face 101, make the mould adsorb through the negative pressure and be fixed in on bottom plate 1 to can be applicable to the fixed requirement of the on-vehicle glass's of different specifications mould.

The utility model relates to a mould fixing device is applicable to the processing of the mould that on-vehicle glass used, utilizes the negative pressure to adsorb fixed mould, replaces the fixed mode of sticky tape glue, material saving, and reduce cost reduces the environmental pollution that the discarded object caused, has reduced the clamping fixed time of mould simultaneously, improves work efficiency, and it is wide to compare in special fixture application scope, can satisfy the requirement of the mould of different specifications.

Specifically, the bottom plate 1 is rectangular and includes a top end surface 101, a bottom end surface, a pair of first side surfaces 102 and a pair of second side surfaces 103, the pair of first side surfaces 102 are parallel to each other, and the pair of second side surfaces 103 are parallel to each other and are respectively disposed adjacent to one first side surface 102; at least one air channel group 2 is arranged between the top end surface 101 and the bottom end surface; the top end surface 101 of the bottom plate 1 is provided with an inward concave vent groove 104, and the tops of the plurality of air holes 4 are positioned in the vent groove 104 and are uniformly distributed along the vent groove 104.

As a preferred embodiment, the base plate 1 may be made of an aged aluminum alloy. The bottom plate 1 made of the aluminum alloy has high mechanical strength, can guarantee to bear the weight of a mold to be machined, has good heat conduction performance, can quickly transfer heat generated by dry machining of the mold made of the graphite material, and avoids unstable machining size caused by temperature change in the machining process of the mold, so that high machining precision is guaranteed.

The bottom plate 1 is a rectangular plate structure with a certain thickness, the top end face 101 is used for placing a mold, the pair of first side faces 102 is sequentially connected with the pair of second side faces 103 to form four side faces of the bottom plate 1, and the air channel group 2 is arranged inside the bottom plate 1 and used for being communicated with the top end face 101 of the bottom plate 1 to provide vacuum negative pressure for the bottom of the mold.

As a preferred embodiment, in order to reduce the positioning error of the mold, the flatness of the top end surface 101 and the bottom end surface of the bottom plate 1 are respectively not more than 0.01mm; the parallelism between the top end face 101 and the bottom end face is not more than 0.01mm; the roughness of the top 101 and bottom facets is not greater than 1.63 μm, respectively.

When the bottom plate 1 is manufactured, aging treatment and finish machining are needed to eliminate internal stress, and the bottom plate 1 after the aging treatment has higher strength and is not easy to deform, so that the mechanical stability of fixing the die is ensured.

The utility model relates to a bottom plate 1 has higher plane degree, parallelism and higher roughness between higher top end face 101 and the bottom terminal surface, and wherein, high plane degree and high parallelism can reduce the clamping positioning error of treating the mold processing in the course of working, improve the machining precision, and the better roughness of top end face 101 then can reduce the mould of mould in the course of working to it is intact to guarantee the outward appearance state of mould.

The top end face 101 of the bottom plate 1 is provided with a vent groove 104, the bottom of the mold is in contact with the vent groove 104, and the air hole 4 communicated between the air passage group 2 and the top end face 101 is arranged in the vent groove 104.

Preferably, the vent groove 104 may be annular, and when the negative pressure device 3 provides negative pressure, the negative pressure passes through the air duct group 2 and the air holes 4 in sequence to enter the vent groove 104, so that the negative pressure of the vent groove 104 on the mold is uniformly applied, and the mold is more uniformly applied with an adsorption force, and is stably fixed on the bottom plate 1.

Specifically, the vent slot 104 may be a rectangular ring or a circular ring, which may be determined by machining adjustments and actual requirements.

In this embodiment, the mold fixing device further includes a sealing element 5, an annular sealing groove 105 is disposed on the top end surface 101 of the bottom plate 1, the sealing groove 105 is disposed around the vent groove 104, and the sealing element 5 is clamped in the sealing groove 105.

The sealing elements 5 may be sealing rings, and the sealing groove 105 is used for placing the sealing rings, in this embodiment, the sealing grooves 105 are two that are sleeved inside and outside, the sealing elements 5 are two, and each sealing element 5 is disposed in one sealing groove 105.

The sealing member 5 forms a sealing area between the bottom of the mold and the top end surface 101 of the base plate 1, i.e., an area within the range of the sealing groove 105, and the sealing area is communicated with the negative pressure device 3 through the vent groove 104, the air hole 4, and the air duct group 2, so that the negative pressure mechanism can provide negative pressure adsorption to the sealing area, thereby achieving the purpose of fixing the mold on the base plate 1.

In this embodiment, adopt two sealing members 5, realize double containment structure to can guarantee sealed effect, improve the negative pressure adsorption effect to the mould, and then improve the fixed stability of mould, reduce the mould and fix the inefficacy risk in the course of working. And the sealing strip is simple to replace, and the purchase cost is low.

The air passage group 2 is used as an air flow passage, in the present embodiment, as shown in fig. 2, the air passage group 2 is a pair, and each air passage group 2 includes a pair of first air passage units 201 and a pair of second air passage units 202;

the pair of first air passage units 201 are parallel to each other and respectively penetrate through the pair of first side surfaces 102;

the pair of second air passage units 202 are parallel to each other, and the pair of second air passage units 202 respectively extend from a second side surface 103 to the inside and are vertically intersected with the pair of first air passage units 201;

the intersections of the pair of first air channel units 201 and the pair of second air channel units 202 are communicated to form rectangular pipelines;

the rectangular pipeline is communicated with the air inlet of the negative pressure device 3 through the end part of the first air channel unit 201 on the first side surface 102 or the end part of the second air channel unit 202 on the second side surface 103;

the rectangular pipes of the pair of air passage groups 2 are independent of each other.

Specifically, as shown in fig. 2, in a direction parallel to the top end surface 101 of the bottom plate 1, that is, in the middle of a connecting line between the top end surface 101 and the bottom end surface, a pair of first air duct units 201 are disposed along the longitudinal direction, a pair of second air duct units 202 are disposed along the transverse direction, the second air duct units 202 of the two air duct groups 2 are disposed separately from each other and are disposed coaxially along the transverse direction, and the first air duct units 201 of the two air duct groups 2 are parallel to each other in the longitudinal direction, so that edges of the rectangular pipelines of the two air duct groups 2 are aligned vertically in the longitudinal direction.

Each rectangular pipeline is independent from each other, and each provides the negative pressure through negative pressure device 3 respectively to can work independently from each other when using, reduce the risk of failure.

The cross section of the first air passage unit 201 and the second air passage unit 202 can be rectangular or circular, which can be determined according to the actual situation.

The first air channel units 201 are arranged to penetrate through the pair of first side surfaces 102, and the second air channel units 202 are communicated with the second side surfaces 103, so that the machining can be facilitated, and the bottom plate 1 can be machined quickly and conveniently. The second air path unit 202 does not penetrate the pair of second side surfaces 103 so as to make the two rectangular pipes independent, so that the two air path groups 2 can be independently operated to respectively provide negative pressure to the molds.

In this embodiment, the vent grooves 104 are a pair, each vent groove 104 is a rectangular ring, and each vent groove 104 is located right above one rectangular pipe, so that each air hole 4 is vertically connected to the first air duct unit 201 or the second air duct unit 202 in the thickness direction of the bottom plate 1.

The plurality of air holes 4 are parallel to each other, and each air hole 4 communicates between one top end surface 101 and the first air passage unit 201 or the second air passage unit 202.

Specifically, the air holes 4 may be uniformly distributed along a rectangular pipeline, and may be respectively disposed on the first air duct unit 201 and/or the second air duct unit 202.

In this embodiment, for each air passage group 2, the air holes 4 are respectively and uniformly distributed on the pair of second air passage units 202, and one air hole 4 is respectively arranged at four communicating positions of the pair of first air passage units 201 and the pair of second air passage units 202, that is, at four corners of the rectangular pipeline.

In each air duct group 2, the ends of the first air duct unit 201 and the second air duct unit 202 which are not communicated with the negative pressure device 3 are respectively connected with the first side surface 102 or the second side surface 103 in a sealing way through the plugging piece 6.

Specifically, negative pressure device 3 includes negative pressure machine, pipeline 7 and control valve 8, and the negative pressure machine includes air inlet and gas outlet, and the air inlet is organized 2 with the air flue and is passed through pipeline 7 intercommunication, is equipped with control valve 8 on the pipeline 7.

The interface of the air duct group 2 for communicating with the negative pressure device 3 may be the end of the first air duct unit 201 on the first side 102 of the base plate 1 or the end of the second air duct unit 202 on the second side 103 of the base plate 1. The specific method can be determined according to the pipeline arrangement requirement and the requirement of the field situation.

The control valves 8 may be hand valves or electromagnetic valves, in this embodiment, the control valves 8 are hand valves, the control valves 8 are a pair, and each control valve 8 is communicated with a rectangular pipeline of one air passage group 2. The pipeline comprises two pairs of first pipeline units, a pair of second pipeline units, a pair of third pipeline units and a main pipeline, wherein the inlet of each control valve 8 is communicated with one second pipeline unit, and the outlet of each control valve 8 is communicated with one third pipeline unit.

The end parts of a pair of first air passage units 201 of each air passage group 2 on the first side surface 102 of the bottom plate 1 are respectively provided with a quick joint 9, each quick joint 9 is communicated with one first pipeline unit, the pair of first pipeline units of each air passage group 2 are communicated with a second pipeline unit communicated with a corresponding control valve 8 through a three-way joint, a pair of third pipeline units communicated with a pair of control valves 8 are communicated with one end of a main pipeline through a three-way joint, and the other end of the main pipeline is communicated with an air inlet of a negative pressure machine.

The negative pressure device 3 is respectively controlled by the pair of control valves 8 to adsorb to the negative pressure provided by the rectangular pipelines of the pair of air passage groups 2, so that the pair of air passage groups 2 can work when a large mold is processed, the adsorption effect on the mold is realized jointly, and one air passage group 2 can work independently when a small mold is processed, so that the adsorption on the small mold is realized. The two air passage groups 2 work independently, so that the device is suitable for processing moulds of different specifications, has high adaptability and meets the fixing requirements of vehicle-mounted glass grinding tools of different sizes.

The non-quick-operation joint end of another first side 102 of bottom plate 1 of first air flue unit 201, the tip at second side 103 of bottom plate 1 of second air flue unit 202 all blocks up through shutoff piece 6, in order to realize sealing connection, it provides the adsorbed effect of negative pressure to the mould to improve the rectangular pipe, shutoff piece 6 can be the end cap for the pipeline, thereby realize the air flue group 2 that first air flue unit 201 and second air flue unit 202 constitute, only one end communicates with negative pressure device 3, improve the adsorption effect of negative pressure. The quick connector 9 and the pipeline plug are both existing products, and the specific structure and the working principle are not described in detail.

It should be noted that the inner diameters of the end portions of the first air passage unit 201 and the second air passage unit 202 on the first side surface 102 and the second side surface 103 are larger than the inner diameters of the middle portions of the first air passage unit 201 and the second air passage unit 202, respectively, to form a countersunk structure, so as to facilitate installation of the plugging member 6 or the quick coupling 9.

In this embodiment, the negative pressure machine can be centrifugal fan or vacuum pump to the air between the mould that will treat to process and the top end face 101 of bottom plate 1 is taken out from gas pocket 4, air flue group 2, pipeline 7 and control valve 8, forms the negative pressure and adsorbs, makes on the mould can be stable be fixed in bottom plate 1, satisfies the processing requirement.

In this embodiment, the bottom plate 1 is provided with a plurality of mounting holes 106 for fixing the bottom plate 1 to the workbench by bolts. The mounting holes 106 are countersunk so as not to affect the flatness of the top end face 101 of the base plate 1.

The utility model relates to a mould fixing device, the use is as follows:

the bottom plate 1 is fixed on a workbench through bolts, the control valve 8 is adjusted to be in a closed state, the negative pressure device 3 is opened, after the machining position of the vehicle-mounted glass mold to be machined is confirmed accurately, the machining basic surface of the vehicle-mounted glass mold is placed in a manner of being attached to the top end surface 101 of the bottom plate 1 and is located at a preset position, the control valve 8 is adjusted to be in an open state, the negative pressure device 3 provides negative pressure for the air channel group 2, air between the mold to be machined and the top end surface 101 of the bottom plate 1 is pumped out from the air holes 4, the air channel group 2, the pipeline 7 and the control valve 8, a negative pressure cavity is formed between the mold and the inside of the sealing groove 105 of the bottom plate 1, and therefore the mold is stably fixed on the bottom plate 1 through negative pressure adsorption. After the mold is machined, the negative pressure device 3 and the control valve 8 are closed, so that the negative pressure adsorption state between the mold and the bottom plate 1 is released, and the mold can be taken down.

The utility model relates to a mould fixing device, which can replace the adhesive tape fixing mode, replace the adhesive tape or glue material, reduce the cost, simultaneously, avoid the waste garbage such as waste adhesive tape, and reduce the environmental pollution; the position of the vehicle-mounted glass mold to be processed is accurately determined and then fixed, so that the positioning error is reduced, the processing precision is improved, the mechanism is simple to operate, the misoperation risk is reduced, the clamping and fixing time is shortened, and the processing efficiency is improved.

Example 2

The mold fixing device according to the present embodiment is different from embodiment 1 in that,

in this embodiment, the air passage groups 2 are a pair, each air passage group 2 includes a pair of annular air passage units, and the annular air passage units may be rectangular rings or circular rings.

In this embodiment, the annular air passage unit is a circular ring, the annular air passage unit is communicated with the negative pressure device 3 through a linear air passage unit passing through the first side surface 102 or the second side surface 103, and each air hole 4 is communicated between one top end surface 101 and the annular air passage unit.

A plurality of air holes 4 are uniformly distributed along the circumferential direction of the annular air passage unit, and the sealing groove 105 is also in a circular ring shape and is arranged on the outer side of the annular air passage unit in a surrounding manner.

In this embodiment, bottom plate 1 is split type structure, including first plate and second plate, is equipped with first half groove on the first plate, is equipped with the second half groove on the second plate, and first half groove and second half groove all include interconnect be ring shape half groove and linear type half groove, and first plate and second plate lock each other and compress tightly to make first half groove and second half groove piece into annular air flue unit and sharp air flue unit.

In this embodiment, can set up the sealing washer in the both sides that encircle annular air flue unit and sharp air flue unit to guarantee the negative pressure adsorption effect through the air flue unit.

The end of the linear air channel unit of each air channel group 2, which is positioned on the first side surface 102 or the second side surface 103, is communicated with one control valve 8 through a quick joint 9 and a pipeline 7 unit, so that the two air channel groups 2 are independently controlled through a pair of control valves 8.

Example 3

The embodiment provides a vehicle-mounted glass mold processing system which comprises the mold fixing device provided by the embodiment 1 or the embodiment 2.

According to the vehicle-mounted glass mold processing system, a closed structure is formed among the bottom plate 1 with the air channel group 2, the sealing piece 5 and the vehicle-mounted glass mold to be processed, and adsorption fixation is formed under the negative pressure effect, so that the vehicle-mounted glass mold to be processed can be stably fixed on the bottom plate 1, and processing is performed.

The utility model discloses an on-vehicle glass mold processing system uses the mould that uses on-vehicle glass to process to fix on the workstation through mould fixing device to adsorb through the negative pressure and realize stable fixed, compare in the fixed waste of traditional sticky tape, and the condition that wastes time and energy, the utility model discloses a with low costs reduces the environmental pollution that the discarded object caused, has reduced the clamping fixed time of mould simultaneously, improves work efficiency, and it is wide to compare in special fixture application scope.

It will be appreciated that the relevant features of the devices described above may be referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The mold fixing device is characterized by comprising a bottom plate and a negative pressure device;

at least one air channel group is arranged in the bottom plate, and the air channel group penetrates through the side surface of the bottom plate and is communicated with the negative pressure device;

the bottom plate is provided with a plurality of air holes, each air hole is communicated with the top end face of the bottom plate and the air passage group respectively, and the top end face of the bottom plate is used for placing a die.

2. The mold fixture according to claim 1,

the bottom plate is rectangular and comprises a top end surface, a bottom end surface, a pair of first side surfaces and a pair of second side surfaces, the pair of first side surfaces are parallel to each other, and the pair of second side surfaces are parallel to each other and are respectively adjacent to one first side surface;

at least one air channel group is arranged between the top end surface and the bottom end surface;

the bottom plate the top terminal surface be equipped with inside sunken air channel, it is a plurality of the top of gas pocket is located in the air channel, and follows the air channel equipartition.

3. The mold fixing device according to claim 2, further comprising a sealing member, wherein an annular sealing groove is formed in the top end surface of the bottom plate, the sealing groove is disposed around the vent groove, and the sealing member is clamped in the sealing groove.

4. The mold fixture according to claim 2,

the flatness of the top end surface and the bottom end surface is not more than 0.01mm respectively;

the parallelism between the top end face and the bottom end face is not more than 0.01mm;

the roughness of the top end face and the bottom end face is not more than 1.63 μm, respectively.

5. The mold fixture according to claim 2, wherein the air passage groups are a pair, each of the air passage groups including a pair of first air passage units and a pair of second air passage units;

the pair of first air passage units are parallel to each other and respectively penetrate through the pair of first side surfaces;

the pair of second air channel units are parallel to each other, extend inwards from one second side surface respectively, and are vertically intersected with the pair of first air channel units;

the junctions of the pair of first air passage units and the pair of second air passage units are communicated to form a rectangular pipeline;

the rectangular pipeline is communicated with an air inlet of the negative pressure device through the end part of the first air channel unit positioned on the first side surface or the end part of the second air channel unit positioned on the second side surface;

the rectangular pipes of a pair of the air passage groups are independent of each other.

6. The mold fixture according to claim 5,

the air holes are parallel to each other, and each air hole is communicated between one top end face and the first air channel unit or the second air channel unit.

7. The mold fixture according to claim 5,

in each air channel group, the end parts of the first air channel unit and the second air channel unit, which are not communicated with the negative pressure device, are respectively connected with the first side surface or the second side surface in a sealing mode through a blocking piece.

8. The mold holding device according to claim 2, wherein the air passage sets are a pair, each of the air passage sets includes a pair of annular air passage units, one end of each of the annular air passage units communicates with the negative pressure device through the first side surface or the second side surface, and each of the air holes communicates between one of the top end surfaces and the annular air passage unit.

9. The mold fixture according to claim 1,

a plurality of mounting holes are formed in the bottom plate;

the negative pressure device comprises a negative pressure machine, a pipeline and a control valve, the negative pressure machine comprises an air inlet and an air outlet, the air inlet is communicated with the pipeline through the air passage group, and the control valve is arranged on the pipeline.

10. A vehicular glass mold processing system comprising the mold fixture according to any one of claims 1 to 9.

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