SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve above-mentioned problem and go on, aim at provides a lower mould die set.
The utility model provides a lower mould die device, the setting is in the car handrail equipment of borduring, a be used for fixed epidermis and paste this epidermis on the semi-manufactured goods surface of car handrail skeleton, this semi-manufactured goods surface of car handrail skeleton has hot melt adhesive layer, and this semi-manufactured goods of car handrail skeleton is including linking together first side portion and second side portion, the epidermis is including linking together first epidermis portion and second epidermis portion, first epidermis portion is used for pasting on first side portion and has the sponge layer, second epidermis portion is used for pasting on second side portion, such characteristic has, include: a first support frame; the second support frame is fixedly connected to the first support frame and is positioned above the first support frame; the side mold mechanism is used for fixing the first skin part and pushing the first skin part to cover the first side part and comprises an upper side mold part and a lower side mold part; the bottom surface mold mechanism is arranged on the first support frame, is used for fixing the second skin part, and comprises a bottom mold tire corresponding to the position of the second side surface part and a bottom driving unit for driving the bottom mold tire to vertically move; and a vacuum generator, wherein the upper side mold part is arranged on the second support frame and comprises an upper side mold corresponding to the position of the first side part and an upper side driving unit for driving the upper side mold to horizontally move backwards or forwards, the upper side mold is used for fixing the first skin part, the lower side mold part is arranged on the first support frame and comprises a lower side mold corresponding to the position of the first side part and matched with the shape of the first side part and a lower side driving unit for driving the lower side mold to obliquely move backwards or obliquely move forwards, the lower side mold is lower than the upper side mold, the included angle between the upper surface of the lower side mold and the horizontal direction is larger than that between the upper surface of the upper side mold and the horizontal direction, a plurality of through holes are respectively arranged on the bottom mold and the upper side mold, the vacuum generator is respectively connected with the through holes on the bottom mold and the upper side mold through different vacuum pipelines, the vacuum-pumping device is used for vacuumizing the through holes so that the surface skin is adsorbed and tightly sucked on the corresponding mould.
The utility model provides an among the lower mould die set, can also have such characteristic: wherein, the surface of going up side mould child is the plane in vertical direction, and the surface of first side portion is the cambered surface in vertical direction.
The utility model provides an among the lower mould die set, can also have such characteristic: wherein, the upper surface of the lower side mould forms an angle of 89 degrees with the horizontal direction, and the upper surface of the upper side mould forms an angle of 84 degrees with the horizontal direction.
The utility model provides an among the lower mould die set, can also have such characteristic: wherein the upper part of the upper side mould is 8mm further away from the bottom mould than the upper part of the lower side positioning mould.
The utility model provides an among the lower mould die set, can also have such characteristic: wherein, go up side drive unit, downside drive unit and bottom drive unit and be cylinder drive structure.
The utility model provides an among the lower mould die set, can also have such characteristic: the lower side driving unit comprises a cylinder for driving the lower side mould tire to horizontally move and a cylinder for driving the lower side mould tire to vertically move, and the bottom driving unit drives the bottom mould tire to vertically move through a guide pillar-guide rail structure.
The utility model provides an among the lower mould die set, can also have such characteristic, still include: and the die control mechanism is used for controlling the operation of the side die mechanism and the bottom die mechanism.
Action and effect of the utility model
According to the utility model relates to a lower mould die device, because including first support frame, the second support frame, side mould mechanism, bottom surface mould mechanism and vacuum generator, the second support frame is connected on first support frame and is located the top of first support frame, side mould mechanism is including setting up the upper flank mould portion on the second support frame and setting up the lower side mould portion on first support frame, so paste the epidermis through this mould device and can go on in two steps, fix a position the epidermis through upper flank mould portion and bottom surface mould mechanism earlier, and then glue the limit through pushing down to the second side of car handrail skeleton semi-manufactured goods, upper flank mould portion can not be rubbed by the sponge on the first side in this process; then go up side mould portion and move backward and bottom surface mould mechanism and car handrail skeleton semi-manufactured goods move down together, downside mould portion moves backward to the slant to promote the epidermis from lower to upper cladding gradually and paste on first side portion, thereby accomplish pasting processing of epidermis. The pasting processing completed by the die device can not generate the problem that the skin is pasted and wrinkles are generated due to the fact that the sponge is extruded by the die when the die is closed and pasted at one time.
Detailed Description
In order to make the utility model realize that technical means, creation characteristics, achievement purpose and efficiency are easily understood and known, following embodiment combines the figure to be right the utility model discloses lower mould die device does specifically expounded.
Fig. 1 is a block diagram of an embodiment of the present invention, illustrating a vehicle armrest edge covering device.
As shown in fig. 1, the automobile handrail edge covering device 1000 in this embodiment is used for adhering a skin to a semi-finished product 1 of an automobile handrail framework and covering the edge, and includes: a supporting device (not shown), a lower die assembly 100, an upper die assembly 200, a heating device 300, a hemming device 400, and a control device 500. The control device 500 is used to control the operations of the lower mold device 100, the upper mold device 200, the heating device 300, and the hemming device 400.
Fig. 2 is a schematic perspective view of a lower die mold device and a taping device in an embodiment of the present invention; fig. 3 is a plan view of a lower die mold device and a hemming device in an embodiment of the present invention; fig. 4 is a perspective view of a lower die mold device in an embodiment of the present invention; fig. 5 is a plan view of a lower die mold device in an embodiment of the present invention; fig. 6 is a schematic cross-sectional view of the lower mold device in the embodiment of the present invention, when the upper mold, the lower mold, and the bottom mold are in their respective initial positions.
As shown in fig. 2 to 6, the lower mold device 100 is disposed on a support device, and includes a first support frame 10, a second support frame 20, a side mold mechanism 30, a bottom mold mechanism 40, a vacuum generator, and a mold control mechanism 50. The mold control mechanism 50 is communicatively connected to the control device 500 for controlling the operation of the side mold mechanism 30, the bottom mold mechanism 40, and the vacuum generator under the control of the control device 500.
The first support 10 is fixedly connected to the support means. The second support frame 20 is fixedly connected to the first support frame 10 and is located above the first support frame 10.
As shown in fig. 4 and 6, a bottom surface mold mechanism 40 is provided on the first support frame 10 for fixing the second skin portion. The bottom surface mold mechanism 40 includes a bottom mold 41, a bottom drive unit 42, and a butt-stitch knife 43.
Fig. 7 is a schematic perspective view of the second bottom sub-mold and the second bottom sub-driving unit according to the embodiment of the present invention.
As shown in fig. 4-7, the bottom mold 41 includes a first bottom sub-mold 411, and a second bottom sub-mold 412. The first bottom sub-mold 411 corresponds in position to the second lateral surface 3 and matches in shape and size to the second lateral surface 3, so that it has a notch corresponding to the angular notch of the second lateral surface 3. The first bottom sub-mold 411 is provided with a pair of sewing knives 43, and the shape of the pair of sewing knives 43 is matched with the shape of the skin sewing gap for inserting into the skin sewing gap to position the skin. The shape of the second bottom sub-mold 412 matches the shape of the notch side portion 4 and is correspondingly disposed at the notch of the first bottom sub-mold 411.
A plurality of through holes are formed in the first bottom sub-mold 411 and the second bottom sub-mold 412. The through holes in the first bottom sub-mold 411 are divided into two parts, namely a first through hole group 4111 and a second through hole group 4112, the through holes in the first through hole group 4111 are linearly arranged beside the butt-joint knife along the length direction of the butt-joint knife, and the through holes in the second through hole group 4112 are uniformly distributed at the rest positions on the first bottom sub-mold 411.
The bottom driving unit 42 includes a first bottom sub-driving unit 421 and a first bottom sub-driving unit 422. The first bottom sub-driving unit 421 is used to drive the first bottom sub-mold 411 to move up and down. The second bottom sub-driving unit 422 is used for driving the second bottom sub-mold 412 to move up and down. The first bottom sub-driving unit 421 and the first bottom sub-driving unit 422 are both of the prior art, such as a cylinder-driven guide post-guide rail structure to realize vertical movement.
When the second bottom sub-mold 412 is driven by the second bottom sub-driving unit 422 to move to a position where its upper surface is flush with the upper surface of the first bottom sub-mold 411, the first bottom sub-mold 411 and the second bottom sub-mold 412 are used to position the second skin portion together. When the second bottom sub-mold driving unit drives the second bottom sub-mold 412 to move upward from a position flush with the upper surface of the first bottom sub-mold 411, the second bottom sub-mold pushes up the skin (which is a part of the second skin portion corresponding to the notch edge portion 4) on the upper surface of the second bottom sub-mold, so that the skin covers the notch edge portion 4.
As shown in fig. 4 and 6, the side surface mold mechanism 30 is used for fixing the first skin portion 6 and pushing the first skin portion to cover the first side surface portion 2, and includes an upper side surface mold portion 31 and a lower side surface mold portion 32.
The upper mold part 31 is disposed on the second support frame 20 and located at one side of the bottom mold mechanism 40, and includes an upper mold tire 311 and an upper drive unit 312. The upper surface mold 311 is used to fix and pre-shape the first skin portion 6, and is provided corresponding to the position of the first surface portion 2. The surface of the upper side mold 311 is flat in the vertical direction (see fig. 6), and the shape in the horizontal direction matches the shape of the first side portion. The upper surface of the upper side mold 311 makes an angle of 84 ° with the horizontal direction. The upper mold 311 is provided with a plurality of through holes. The upper side driving unit 312 is a cylinder driving structure, and is an upper side driving unit for driving the upper side mold to horizontally move backward or forward under the control of the control device 500. The "forward movement" referred to in the present embodiment is a movement toward the bottom surface mold mechanism 40 as viewed in the horizontal direction; the "backward movement" is a movement in a direction away from the bottom surface mold mechanism 40 as viewed in the horizontal direction.
The lower side mold part 32 is provided on the first support frame 20 below the upper side mold part 311 and on the same side of the bottom mold mechanism 40 as the upper side mold part 31. The lower mold part 32 includes a lower mold base 321 and a lower side driving unit (not shown in the drawings). The lower mold tire 321 corresponds to the first side surface portion in position and matches the shape of the first side surface portion. The lower molding tire 321 is positioned lower than the upper molding tire 311, and the upper surface of the lower molding tire 321 forms an angle of 89 ° with the horizontal direction. The lower side driving unit is used for driving the lower side mold tire 321 to move obliquely upward and backward or obliquely downward and forward. The lower side driving unit includes two cylinders for driving the lower side mold 321 to perform horizontal movement and vertical movement, and the two cylinders operate simultaneously, thereby achieving the above-described tilting movement. When the lower side driving unit is used to drive the lower side mold tire 321 to move back and forth obliquely, the lower side mold tire 321 pushes the first skin portion 6 to gradually wrap and stick on the first side portion 6 from bottom to top.
The vacuum generator is disposed on the first support frame 20, and is a vacuum pump, the vacuum pump is connected to all the through holes of the upper mold 311, all the through holes of the first through hole group 4111, all the through holes of the second through hole group 4112, and all the through holes of the second bottom sub-mold 412 through different vacuum pipes (not shown), and the different vacuum pipes are respectively provided with valves controlled by a control mechanism to control on and off. When the vacuum generator is communicated with the corresponding through hole and vacuumized, the surface skin placed on the corresponding mould can be adsorbed and sucked on the mould.
The upper mold device 200 is disposed on the supporting device, and is used for fixing the semi-finished product 1 of the armrest framework of the automobile, and comprises a framework fixing unit (not shown in the figure) and a vertical driving unit (not shown in the figure). The framework fixing unit is installed on the vertical driving unit and is positioned right above the bottom mould 41, and is used for fixing the automobile handrail framework 1 and moving up and down under the driving of the vertical driving unit. When the carcass-fixing unit is moved down, the second side portion 3 can be just pressed against the bottom matrix 41. The framework fixing unit is in the prior art, for example, a structure that a positioning mould and a clamping jaw are matched is adopted. Vertical drive units are known in the art, for example, in a slide rail type configuration.
The heating device 300 is arranged on the supporting device and used for heating the hot melt adhesive layer on the surface of the semi-finished product 1 of the automobile armrest framework, and comprises a heating unit (not shown in the figure) and a horizontal driving unit (not shown in the figure). The horizontal driving unit is used for driving the heating unit to move horizontally, so that the hot melt adhesive layer on the surface of the semi-finished product 1 of the automobile armrest framework is heated at the position corresponding to the semi-finished product 1 of the automobile armrest framework. The heating unit is the prior art, for example, the infrared and hot air combined heating unit in the chinese utility model patent application CN209007966U with publication date of 2019, 6 and 21 is adopted.
The edge covering device 400 is arranged on the supporting device and is arranged around the lower die device 100 in a surrounding mode and used for covering the edge part 5 of the outer edge of the semi-finished product 1 of the automobile armrest framework. The edge covering device 400 is a prior art, and for example, a front angle flanging device and a rear angle flanging device in the chinese utility model patent application CN209007966U with the publication date of 2019, 6 and 21 are adopted.
Fig. 8 is a first schematic view illustrating a working state of the lower die mold device according to an embodiment of the present invention; fig. 9 is a second schematic view of the lower mold device according to the embodiment of the present invention.
When the handrail edge covering device 1000 starts to operate, the upper side mold 311, the lower side mold 321, the first bottom sub-mold 411, the second bottom sub-mold 412, the framework fixing unit, and the heating unit are located at respective initial positions. When the upper mold chase 311, the lower mold chase 321, the first bottom sub-mold chase 411, and the second bottom sub-mold chase 412 are all in their initial positions, the positions of the upper mold chase 311, the lower mold chase 321, the first bottom sub-mold chase 411, and the second bottom sub-mold chase 412 are as shown in fig. 6 and 8, and the upper surfaces of the first bottom sub-mold chase 411 and the second bottom sub-mold chase 412 are flush with each other, and the upper mold chase 311 is assembled with the first bottom sub-mold chase 411 and the second bottom sub-mold chase 412.
The control device 500 controls the operation of the lower die mold device 100, the upper die mold device 200 and the hemming device 400, so that the process of adhering the skin to the semi-finished product 1 of the automobile armrest framework with the hot melt adhesive layer on the outer surface and hemming comprises the following steps:
in step S1, the skin sewing slit of the skin is aligned with the butt-stitch knife 43 to place the skin on the upper side molding 311, the first bottom sub-molding 411, and the second bottom sub-molding 412 in a back-side-up state. At this time, the first skin portion 6 corresponds to the upper side mold 311, and the second skin portion corresponds to the first bottom sub-mold 411 and the second bottom sub-mold 412. Then, the semi-finished product 1 of the armrest skeleton for an automobile is fixed to the skeleton fixing unit in a state where the surface (outer surface) to which the skin is to be attached faces downward, and then the process proceeds to step S2.
Step S2 is to vacuumize the through holes of the first through hole group 4111, determine whether the sewing knife 43 is correctly inserted into the skin sewing seam, if not, go to step S3, if yes, go to step S4.
In step S3, the first through hole group 4111 is stopped from being vacuumized, the position of the skin is adjusted, and the process then proceeds to step S2.
In step S4, the through holes of the upper mold 311, the second through hole group 4112, and the second bottom sub-mold 412 are evacuated. At this time, the skin is sucked tightly on the upper side mold 311, the first bottom sub-mold 411, and the second bottom sub-mold 412, and the first skin portion 6 thereof is sucked tightly on the upper side mold 311, and the second skin portion is sucked tightly on the first bottom sub-mold 411 and the second bottom sub-mold 412. Then, the process proceeds to step S5.
In step S5, the vertical driving unit drives the frame fixing unit to move down from its initial position to the position to be heated, and the horizontal driving unit drives the heating unit to move horizontally from its initial position to the heating position. Then, the process proceeds to step S6.
In step S6, the heating unit heats up to melt the hot melt adhesive layer of the semi-finished product 1 of the armrest frame, and then the process goes to step S7.
In step S7, the horizontal driving unit drives the heating unit to retreat from the heating position to its initial position, and then proceeds to step S8.
Step S8, the vertical driving unit drives the framework fixing unit to move down from the position to be heated to the first pressing position, so as to press the semi-finished product 1 of the armrest framework of the automobile on the first bottom sub-mold tyre 411, so that the second skin part is adhered to the second side part 3, and in the process, the upper side mold tyre 311 is not rubbed by the sponge layer 2 c. The state when the process is completed is as shown in fig. 8, and then it proceeds to step S9.
In step S9, the evacuation of the upper side mold 311 and the first bottom sub-mold 411 is stopped, and the upper side driving unit 312 drives the upper side mold 311 to horizontally move back from its initial position to the avoidance position. Then, the process proceeds to step S10.
In step S10, the vertical driving unit drives the frame fixing unit to move down from the first compressing position to the second compressing position, the first bottom sub-driving unit 421 drives the first bottom sub-mold 411 to move down to the edge-sticking position, the second bottom sub-driving unit 422 drives the second bottom sub-mold 412 to move down to the edge-sticking position, and the fixing unit, the first bottom sub-mold 411 and the second bottom sub-mold 412 move down synchronously. Then, the process proceeds to step S11.
In step S11, the lower driving unit drives the lower mold base 321 to move back from its initial position to its edge-sticking position, so as to push the first skin portion 6 to gradually wrap and stick on the first side portion 2 from bottom to top. The state when this process is completed is shown in fig. 9. Then, the process proceeds to step S12.
In step S12, the second bottom sub-mold 412 stops being vacuumized, and then the process proceeds to step S13.
In step S13, the second bottom sub-driving unit 422 drives the second bottom sub-mold 412 to move upward from the edge-bonding position to the edge-wrapping position, and the second bottom sub-mold 412 wraps and adheres the second skin portion corresponding to the notch edge portion 4. Meanwhile, the hemming device 400 hems the outer edge part 5. Then, the process proceeds to step S14.
In step S14, the vertical driving unit drives the frame fixing unit to ascend from the second pressing position to the initial position, and then proceeds to step S15.
In step S15, the first bottom sub-driving unit 421 drives the first bottom sub-mold 411 to ascend from the edge-sticking position to the initial position, the second bottom sub-driving unit 422 drives the second bottom sub-mold 412 to ascend from the edge-sticking position to the initial position, the lower side driving unit drives the lower side mold 321 to move forward from the edge-sticking position to the initial position, and the upper side driving unit 312 drives the upper side mold 311 to move forward from the avoiding position to the initial position. Then, the process proceeds to step S16.
And step S16, taking down the automobile armrest framework finished product which is pasted and edge-covered (processed) from the framework fixing unit, and finishing one round of pasting and edge-covering processing.
Effects and effects of the embodiments
According to the automobile handrail edge covering equipment related to the embodiment, because the automobile handrail edge covering equipment comprises a mould device, the mould device comprises a first support frame, a second support frame, a side mould mechanism, a bottom mould mechanism and a vacuum generator, the second support frame is connected to the first support frame and positioned above the first support frame, the side mould mechanism comprises an upper side mould part arranged on the second support frame and a lower side mould part arranged on the first support frame, so that the adhesion of the surface skin through the mould device can be carried out in two steps, the surface skin is positioned through the upper side mould part and the bottom mould mechanism, the second side part of the semi-finished product of the automobile handrail framework is further subjected to edge adhesion through pressing, and the upper side mould part cannot be rubbed by sponge on the first side part in the process; then go up side mould portion and move backward and bottom surface mould mechanism and car handrail skeleton semi-manufactured goods move down together, downside mould portion moves backward to the slant to promote the epidermis from lower to upper cladding gradually and paste on first side portion, thereby accomplish pasting processing of epidermis. The pasting processing completed by the die device can not generate the problem that the skin is pasted and wrinkles are generated due to the fact that the sponge is extruded by the die when the die is closed and pasted at one time.
Further, because the bottom surface mold mechanism comprises a bottom mold and a bottom driving unit, the bottom mold comprises a first bottom sub-mold and a second bottom sub-mold, the bottom driving unit comprises a first bottom sub-driving unit and a second bottom sub-driving unit, and the first bottom sub-driving unit and the second bottom sub-driving unit respectively drive the first bottom sub-mold and the second bottom sub-mold to move up and down, when the second bottom sub-driving unit drives the second bottom sub-mold to move to a position flush with the upper surface of the first bottom sub-mold, the first bottom sub-mold and the second bottom sub-mold can jointly position the second skin part so as to perform subsequent edge sticking processing; when the second bottom sub-driving unit drives the second bottom sub-mold to move upwards from the position flush with the upper surface of the first bottom sub-mold, the second bottom sub-mold coats the second skin part corresponding to the edge part of the notch on the edge part of the notch, so that the edge covering of the edge part of the notch is realized.
Further, because the first bottom sub-mold is provided with the butt-joint knife matched with the position and the shape of the skin sewing gap, the butt-joint knife can be inserted into the skin sewing gap so as to realize accurate positioning of the skin.
In addition, because the automobile handrail edge covering equipment in the embodiment further comprises the edge covering device, the edge of the semi-finished product of the automobile handrail framework except for the notch edge can be covered by the edge covering device.
In conclusion, the automobile handrail edge covering equipment of the embodiment can stick the surface skin to the semi-finished product of the automobile handrail framework and carry out edge covering processing on the semi-finished product of the automobile handrail framework.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.