CN220409645U - Epidermis frame elevating gear - Google Patents

Abstract

The utility model relates to the technical field of automobile instrument desk production equipment, in particular to a skin frame lifting device which comprises a skin frame placing frame, a driving mechanism and a plurality of guide posts; a plurality of guide blocks are arranged on the side wall of the epidermis frame placing frame; the guide post is perpendicular to the horizontal plane, and the guide block is movably arranged on the guide post in a penetrating manner; the driving mechanism is in power connection with the epidermis frame rack, and the driving mechanism drives the epidermis frame rack to move up and down in the vertical direction. The epidermis frame placing frame is used for placing the epidermis frame with the epidermis; the guide block is used for enabling the epidermis frame placing frame to be connected with the guide column; when the epidermis frame rack is in the lift, owing to the guide block wears to establish on the guide post, the guide block can slide from top to bottom along the guide post, and the existence of guide post makes the guide block only can be in the activity of Z epaxial to avoided epidermis frame rack to produce when going up and down and rocked, guaranteed the stability of epidermis frame rack when going up and down.

Description

Epidermis frame elevating gear

Technical Field

The utility model relates to the technical field of automobile instrument desk production equipment, in particular to a lifting device for a skin frame.

Background

The vacuum forming process is an important process step in the production process of the automobile instrument desk, and aims to cover a layer of skin on a base material of the instrument desk, so that the commodity of the product is improved. In actual performance production, the epidermis is required to be placed in the epidermis frame and conveyed in the equipment through the related devices, and the movement of the epidermis in the Z-axis direction is also realized, so that the lifting device is required to be utilized for realizing the movement of the epidermis in the Z-axis direction. The existing lifting device mostly comprises a lifting machine frame, a driving motor, a balancing weight, a chain, an upright post, a roller, a skin frame placing frame and other large parts. When the lifting mechanism is used, the chain is driven by the motor, and lifting movement of the skin frame placing frame is realized under the action of the balancing weight.

The lifting of the skin frame placing frame is realized by the driving motor and the balancing weight, but the balancing weight exists, so that the condition of light front section and heavy rear end appears, the whole lifting mechanism is unbalanced in stress, the gravity center is unstable, the lifting is unstable, the failure rate is higher, the production period of the whole equipment is longer, and the production efficiency of the equipment is lower.

The utility model provides an automobile instrument assembly is with automatic pad pasting (epidermis) device promptly, includes workstation, bears device and conveyer, still includes the pad pasting device, the pad pasting device includes lifting unit, horizontal translation subassembly and pad pasting subassembly, the pad pasting subassembly includes support arm, buffer unit and pad pasting piece, and this device is when needs carry out automatic pad pasting to automobile instrument, at first conveys the dial plate membrane to bearing device through conveyer, and the pad pasting subassembly at first adsorbs the dial plate membrane through the pad pasting piece, and the rethread starts the driver, and the driver drives the sliding plate and slides and then drive the pad pasting subassembly and remove to carry out lifting operation to the pad pasting subassembly through lifting unit and transport to instrument top.

The conventional device for attaching the instrument desk surface still has the problem of instability during lifting.

Disclosure of Invention

The utility model provides a lifting device for a skin frame, which aims to solve the problem of instability in lifting in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: a lifting device of a skin frame comprises a skin frame placing frame, a driving mechanism and a plurality of guide posts; a plurality of guide blocks are arranged on the side wall of the epidermis frame placing frame; the guide post is perpendicular to the horizontal plane, and the guide block is movably arranged on the guide post in a penetrating manner; the driving mechanism is in power connection with the epidermis frame rack, and the driving mechanism drives the epidermis frame rack to move up and down in the vertical direction.

The epidermis frame placing frame is used for placing the epidermis frame with the epidermis; the guide block is used for enabling the epidermis frame placing frame to be connected with the guide column; when the epidermis frame rack is in the lift, owing to the guide block wears to establish on the guide post, the guide block can slide from top to bottom along the guide post, and the existence of guide post makes the guide block only can be in the activity of Z epaxial to avoided epidermis frame rack to produce when going up and down and rocked, guaranteed the stability of epidermis frame rack when going up and down.

Further, the device comprises a plurality of driving mechanisms, wherein the driving mechanisms are symmetrically arranged on two sides of the epidermis frame placing frame by taking the central line of the epidermis frame placing frame as a symmetry axis, and the driving mechanisms synchronously drive the epidermis frame placing frame to move up and down in the vertical direction.

Further, the driving mechanism comprises a driving piece, a bearing seat and a ball screw assembly; the ball screw assembly comprises a screw rod and a nut; one end of the screw rod is in power connection with the output end of the driving piece, and the other end of the screw rod is rotationally embedded in the bearing seat; the screw rod is perpendicular to the horizontal plane; the connecting block is arranged on the epidermis frame rack and connected with the nut.

Further, a positioning mechanism for fixing the epidermis frame rack at the top end position of the guide post or the bottom end position of the guide post is arranged beside the epidermis frame rack.

Further, the positioning mechanism comprises a plurality of positioning mechanisms, and the positioning mechanisms are symmetrically arranged on two sides of the epidermis frame placing frame by taking the central line of the epidermis frame placing frame as a symmetry axis.

Further, the positioning mechanism comprises a positioning column and a driving cylinder; the positioning column is perpendicular to the horizontal plane; the top end of the positioning column is provided with a first positioning hole, and the bottom end of the positioning column is provided with a second positioning hole; the driving cylinder is arranged on the epidermis frame placing frame; when the epidermis frame rack moves to the top end of the guide post, the piston of the driving cylinder stretches out and is inserted into the first positioning hole; when the epidermis frame rack moves to the guide post bottom, the piston of actuating cylinder stretches out and inserts in the second locating hole.

Further, a first sensor is arranged at the position, close to the first positioning hole, of the positioning column; the positioning column is provided with a second sensor at a position close to the second positioning hole, and the first sensor and the second sensor are electrically connected with the driving cylinder; when the epidermis frame rack moves to the top end of the guide post, the first sensor senses the driving cylinder and controls the piston of the driving cylinder to extend out and be inserted into the first positioning hole; when the epidermis frame rack moves to the guide post bottom, the second inductor senses the actuating cylinder to control the piston of actuating cylinder to stretch out and insert in the second locating hole.

Further, the first sensor and the second sensor are travel switches.

Further, a plurality of safety holes are further formed in the positioning column.

Further, the device also comprises a base and a supporting plate; one end of the guide post is arranged on the base, and the other end of the guide post is arranged on the supporting plate; the driving mechanism is arranged on the supporting plate.

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

1. the plurality of guide posts are arranged, and the guide blocks penetrating through the guide posts are arranged on the epidermis frame placing frame, so that when the epidermis frame placing frame is lifted, the guide blocks move along with the epidermis frame placing frame on the guide posts in a lifting way; the guide block is arranged on the guide post in a penetrating way, so that the guide block only has the degree of freedom in the Z-axis direction, thereby avoiding shaking of the epidermis frame placing frame during lifting and ensuring the stability of the epidermis frame placing frame during lifting;

2. the driving piece drives the surface frame placing frame to lift through the screw rod assembly, so that the position accuracy of the surface frame placing frame during lifting can be better controlled, and the screw rod assembly transmission is more stable than the lifting transmission mode of a chain and a belt in the prior art, so that the stability of the surface frame placing frame during lifting is further improved;

3. the operation position of the epidermis frame rack is mainly at the topmost end and the bottommost end of the stroke, namely when being positioned at the top end and the bottom end positions of the guide posts, so the epidermis frame rack is fixed at the top end positions of the guide posts or the bottom end positions of the guide posts by arranging the positioning mechanism, and when the epidermis frame moves to the top end or the bottom end of the guide posts, the epidermis frame rack can be fixed by the positioning mechanism, thereby ensuring the positioning precision of the epidermis frame rack.

Drawings

FIG. 1 is a schematic view showing the overall structure of an embodiment of a lifting device for a skin frame according to the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the accompanying drawings: 1. a skin frame placing rack; 2. a driving mechanism; 21. a driving member; 22. a bearing seat; 23. a screw rod; 24. a nut; 3. a guide post; 4. a guide block; 5. a connecting block; 6. a base; 7. a support plate; 8. a positioning mechanism; 81. positioning columns; 82. a drive cylinder; 83. a first positioning hole; 84. a second positioning hole; 85. a first inductor; 86. a second inductor; 87. a trigger block; 9. a safety vent.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present utility model and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

The technical scheme of the utility model is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1

Referring to fig. 1 to 3, an embodiment 1 of a lifting device for a skin frame according to the present utility model includes a skin frame rack 1, a driving mechanism 2, and a plurality of guide posts 3; a plurality of guide blocks 4 are arranged on the side wall of the epidermis frame placing frame 1; the guide post 3 is arranged perpendicular to the horizontal plane, and the guide block 4 movably penetrates through the guide post 3; the driving mechanism 2 is in power connection with the epidermis frame placing frame 1, and the driving mechanism 2 drives the epidermis frame placing frame 1 to move up and down in the vertical direction.

The epidermis frame placing frame 1 is used for placing an epidermis frame with epidermis placed; the guide blocks 4 are used for enabling the epidermis frame placing frame 1 to be connected with the guide posts 3; when the epidermis frame rack 1 goes up and down, because the guide block 4 wears to establish on the guide post 3, the guide block 4 can slide from top to bottom along the guide post 3, and the existence of guide post 3 makes the guide block 4 only can be in the activity of Z epaxial to avoided epidermis frame rack 1 to produce when going up and down and rocked, guaranteed the stability of epidermis frame rack 1 when going up and down.

Specifically, the skin frame rack 1 is square, the number of the guide posts 3 is four, and four guide posts 3 are respectively arranged at four corners of the skin frame rack 1, so that four corners of the skin frame can be limited by the limiting guide posts 3, and the guide blocks 4 are welded on the side wall of the skin frame rack 1.

In this embodiment, the device includes a plurality of driving mechanisms 2, the driving mechanisms 2 are symmetrically disposed on two sides of the skin frame placement frame 1 with a center line of the skin frame placement frame 1 as a symmetry axis, and the driving mechanisms 2 synchronously drive the skin frame placement frame 1 to move up and down in a vertical direction.

Specifically, the driving mechanisms 2 are two, the two driving mechanisms 2 are symmetrically arranged on two sides of the skin frame placing frame 1 by taking the central line of the skin frame placing frame 1 as a symmetry axis, and each driving mechanism 2 is located at the middle position of the side wall of the skin frame placing frame 1, so that the stress of the skin frame placing frame 1 is uniform when the driving mechanism 2 drives the skin frame placing frame 1 to lift, and the two driving mechanisms 2 synchronously drive the skin frame placing frame 1 to lift, so that the stability of the skin frame placing frame 1 during lifting can be improved.

In this embodiment, the driving mechanism 2 includes a driving member 21, a bearing seat 22, and a ball screw 23; the ball screw 23 assembly comprises a screw 23 and a nut 24; one end of the screw rod 23 is in power connection with the output end of the driving piece 21, and the other end of the screw rod is rotationally embedded in the bearing seat 22; the screw rod 23 is arranged perpendicular to the horizontal plane; the skin frame placing frame 1 is provided with a connecting block 5, and the connecting block 5 is connected with a nut 24. The device also comprises a base 6 and a supporting plate 7; one end of the guide post 3 is arranged on the base 6, and the other end is arranged on the supporting plate 7.

Specifically, the two support plates 7 are provided, the two support plates 7 are respectively arranged at two sides of the epidermis frame placing frame 1, and two ends of each support plate 7 in the length direction are provided with a guide post 3. In this embodiment, the driving member 21 is a servo motor. The driving piece 21 is installed at the top of backup pad 7, and the output of driving piece 21 passes through the shaft coupling to be connected with the top of lead screw 23, and the bottom rotation of lead screw 23 inlays and establishes in the bearing frame 22 of installing on base 6. The connecting block 5 is mounted on the side wall of the epidermis frame rack 1 through bolts, and the connecting block 5 is fixedly embedded on the nut 24. The driving piece 21 is started to drive the screw rod 23 to rotate, so that the nut 24 moves up and down along the screw rod 23 on the screw rod 23, and the nut 24 is fixedly connected with the connecting block 5, so that the skin frame placing frame 1 is driven to synchronously lift.

The lifting of the surface frame placing frame 1 is driven through the screw rod 23 assembly, so that the position accuracy of the surface frame placing frame 1 during lifting can be controlled better, and the screw rod 23 assembly is more stable in transmission compared with a chain and belt lifting transmission mode in the prior art, so that the stability of the surface frame placing frame 1 during lifting is further improved.

Example 2

Referring to fig. 1 and 2, in order to provide an embodiment 2 of a lifting device for a skin frame according to the present utility model, the difference between the embodiment and the embodiment 1 is that a positioning mechanism 8 for fixing the skin frame placement frame 1 at the top end position of the guide post 3 or at the bottom end position of the guide post 3 is provided beside the skin frame placement frame 1.

The operation position of the skin frame placing frame 1 is mainly at the topmost end and the bottommost end of the stroke, namely, at the top end and the bottom end positions of the guide post 3, so that the skin frame placing frame 1 is fixed at the top end positions of the guide post 3 or the bottom end positions of the guide post 3 by arranging the positioning mechanism 8, when the skin frame moves to the top end or the bottom end of the guide post 3, the positioning accuracy of the skin frame placing frame 1 is ensured.

In this embodiment, the positioning mechanism 8 is provided with a plurality of positioning mechanisms 8, and the positioning mechanisms 8 are symmetrically disposed on two sides of the skin frame placement frame 1 with a center line of the skin frame placement frame 1 as a symmetry axis.

Specifically, the two positioning mechanisms 8 are arranged, and the two positioning mechanisms 8 symmetrically position the epidermis frame placing frame 1 on two sides of the epidermis frame placing frame 1, so that the epidermis frame placing frame 1 is stressed more uniformly when being positioned.

In this embodiment, the positioning mechanism 8 includes a positioning column 81 and a driving cylinder 82; the positioning column 81 is arranged perpendicular to the horizontal plane; the top end of the positioning column 81 is provided with a first positioning hole 83, and the bottom end of the positioning column 81 is provided with a second positioning hole 84; the driving cylinder 82 is arranged on the epidermis frame placing frame 1; when the skin frame placing frame 1 moves to the top end of the guide post 3, the piston of the driving cylinder 82 extends out and is inserted into the first positioning hole 83; when the skin frame placement frame 1 moves to the bottom end of the guide post 3, the piston of the driving cylinder 82 is extended and inserted into the second positioning hole 84.

Specifically, the positioning column 81 is a square column, one end of the positioning column 81 is fixedly connected with the supporting plate 7 through a bolt, the other end of the positioning column 81 is fixedly connected with the base 6, and the positioning column 81 is located between the screw rod 23 and the guide column 3. The positioning column 81 is provided with a first sensor 85 at a position close to the first positioning hole 83; the positioning column 81 is provided with a second sensor 86 at a position close to the second positioning hole 84; when the skin frame placing frame 1 moves to the top end of the guide post 3, the first sensor 85 senses the driving cylinder 82 and controls the piston of the driving cylinder 82 to extend out and be inserted into the first positioning hole 83; when the skin frame placement frame 1 moves to the bottom end of the guide post 3, the second sensor 86 senses the driving cylinder 82 and controls the piston of the driving cylinder 82 to extend out and insert into the second positioning hole 84.

In this embodiment, the first sensor 85 and the second sensor 86 are both travel switches, and the driving cylinder 82 is an electric cylinder. A trigger block 87 is welded to the cylinder body of the drive cylinder 82. The driving cylinder 82 is fixedly installed on the side wall of the skin frame placement frame 1. When the driving cylinder 82 moves to the position of the top end of the guide post 3 along with the skin frame placing frame 1, the trigger block 87 touches the first sensor 85, so that the first sensor 85 is triggered, the first sensor 85 sends a signal to the driving cylinder 82, so that the piston of the driving cylinder 82 stretches out, at the moment, the piston of the driving cylinder 82 just faces the first positioning hole 83, namely, the piston of the driving cylinder 82 is inserted into the first positioning hole 83, and then the positioning effect on the skin frame placing frame 1 is achieved. When the driving cylinder 82 moves to the position of the bottom end of the guide post 3 along with the skin frame placing frame 1, the trigger block 87 touches the second sensor 86, so that the second sensor 86 is triggered, the second sensor 86 sends a signal to the driving cylinder 82, so that the piston of the driving cylinder 82 stretches out, at the moment, the piston of the driving cylinder 82 just faces the second positioning hole 84, namely, the piston of the driving cylinder 82 is inserted into the second positioning hole 84, and the skin frame placing frame 1 is positioned.

Example 3

Referring to fig. 1, in an embodiment 3 of the lifting device for a skin frame according to the present utility model, the difference between the present embodiment and the embodiment 2 is that a plurality of safety holes 9 are further formed on the positioning posts 81.

Specifically, the positioning posts 81 are provided with four elliptical safety holes 9 at regular intervals along the length direction thereof. When the equipment of the bottom of the epidermis frame rack 1 needs to be overhauled, the epidermis frame rack 1 needs to be fixed at a certain height, however, power is required to be cut off during overhauling, in order to prevent the epidermis frame rack 1 from suddenly falling down to cause a safety accident, therefore before overhauling and power off, according to a specific overhauling project, the driving cylinder 82 is controlled to extend out of the piston and insert into a certain safety hole 9, and then power off and overhauling are performed, so that the epidermis frame rack 1 can be prevented from suddenly falling due to power off.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The lifting device for the epidermis frame is characterized by comprising a epidermis frame placing frame (1), a driving mechanism (2) and a plurality of guide posts (3); a plurality of guide blocks (4) are arranged on the side wall of the epidermis frame placing frame (1); the guide post (3) is perpendicular to the horizontal plane, and the guide block (4) is movably arranged on the guide post (3) in a penetrating manner; the driving mechanism (2) is in power connection with the epidermis frame placing frame (1), and the driving mechanism (2) drives the epidermis frame placing frame (1) to move up and down in the vertical direction.

2. The lifting device for the surface frame according to claim 1, comprising a plurality of driving mechanisms (2), wherein the driving mechanisms (2) are symmetrically arranged at two sides of the surface frame placing frame (1) by taking the central line of the surface frame placing frame (1) as a symmetry axis, and the driving mechanisms (2) synchronously drive the surface frame placing frame (1) to move up and down in the vertical direction.

3. The lifting device of a skin frame according to claim 2, characterized in that the driving mechanism (2) comprises a driving member (21), a bearing seat (22) and a ball screw assembly; the ball screw assembly comprises a screw rod (23) and a nut (24); one end of the screw rod (23) is in power connection with the output end of the driving piece (21), and the other end of the screw rod is rotationally embedded in the bearing seat (22); the screw rod (23) is perpendicular to the horizontal plane; the connecting block (5) is arranged on the epidermis frame placing frame (1), and the connecting block (5) is connected with the nut (24).

4. The lifting device for the surface frame according to claim 1, wherein a positioning mechanism (8) for fixing the surface frame placing frame (1) at the top end position of the guide post (3) or at the bottom end position of the guide post (3) is arranged beside the surface frame placing frame (1).

5. The lifting device for the surface frame according to claim 4, comprising a plurality of positioning mechanisms (8), wherein the positioning mechanisms (8) are symmetrically arranged at two sides of the surface frame placement frame (1) by taking the central line of the surface frame placement frame (1) as a symmetry axis.

6. The lifting device of a skin frame according to claim 4, characterized in that the positioning mechanism (8) comprises a positioning column (81) and a driving cylinder (82); the positioning column (81) is arranged perpendicular to the horizontal plane; the top end of the positioning column (81) is provided with a first positioning hole (83), and the bottom end of the positioning column (81) is provided with a second positioning hole (84); the driving cylinder (82) is arranged on the epidermis frame placing frame (1); when the epidermis frame placing frame (1) moves to the top end of the guide post (3), the piston of the driving cylinder (82) stretches out and is inserted into the first positioning hole (83); when the skin frame placing frame (1) moves to the bottom end of the guide post (3), the piston of the driving cylinder (82) extends out and is inserted into the second positioning hole (84).

7. The lifting device of the skin frame according to claim 6, characterized in that the positioning column (81) is provided with a first sensor (85) at a position close to the first positioning hole (83); the positioning column (81) is provided with a second sensor (86) at a position close to the second positioning hole (84), and the first sensor (85) and the second sensor (86) are electrically connected with the driving cylinder (82); when the epidermis frame placing frame (1) moves to the top end of the guide post (3), the first sensor (85) senses the driving cylinder (82) and controls the piston of the driving cylinder (82) to extend out and be inserted into the first positioning hole (83); when the skin frame placing frame (1) moves to the bottom end of the guide post (3), the second sensor (86) senses the driving cylinder (82) and controls the piston of the driving cylinder (82) to extend out and be inserted into the second positioning hole (84).

8. The lifting device for the skin frame according to claim 7, wherein the first sensor (85) and the second sensor (86) are travel switches.

9. The lifting device for the skin frame according to claim 6, wherein the positioning column (81) is further provided with a plurality of safety holes (9).

10. The lifting device of a skin frame according to claim 1, further comprising a base (6) and a support plate (7); one end of the guide post (3) is arranged on the base (6), and the other end of the guide post is arranged on the supporting plate (7); the driving mechanism (2) is arranged on the supporting plate (7).