CN216267588U

CN216267588U - Film stretching device

Info

Publication number: CN216267588U
Application number: CN202122420360.5U
Authority: CN
Inventors: 张成耀; 李婷瑜; 王家智
Original assignee: GUANGZHOU POTOP EXPERIMENTAL ANALYSIS INSTRUMENT CO Ltd
Current assignee: GUANGZHOU POTOP EXPERIMENTAL ANALYSIS INSTRUMENT CO Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-12
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a film stretching device which comprises a supporting base, two pairs of guide rails, two driving mechanisms, four sliding groove plates and four wide clamps, wherein the two pairs of guide rails are arranged vertically, the driving mechanisms are arranged on the supporting base, the driving ends of the driving mechanisms are respectively connected with the pair of guide rails and drive the pair of guide rails to move in a phase or a reverse direction, the sliding groove plates are provided with transverse through holes and longitudinal through holes, the sliding groove plates are respectively sleeved on the two adjacent guide rails in a sliding mode through the transverse through holes and the longitudinal through holes, and the four wide clamps are respectively arranged on the two pairs of guide rails. The utility model can meet the requirement of film stretching, can reduce the use of parts such as a telescopic hinge and the like, has more compact integral structure, and simultaneously, the four wide clamps only need to open the four clamps to clamp the film before stretching, thereby reducing the clamping times of the clamps and effectively improving the working efficiency.

Description

Film stretching device

Technical Field

The utility model relates to a film stretching device, and belongs to the technical field of film stretching equipment.

Background

The existing film stretching device is characterized in that a plurality of clamps are fixed on four guide rails through telescopic hinges, and a driving mechanism is utilized to drive the four guide rails to move in opposite directions or in opposite directions, and meanwhile, the clamps and films are driven by the hinges to stretch. Although the film stretching device can meet the use requirements to a certain extent, the film stretching device has the following disadvantages: a plurality of anchor clamps need flexible hinge to install, make overall structure comparatively complicated, simultaneously, need press from both sides every anchor clamps on the film before tensile, influence efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a film stretching device for overcoming the defects in the prior art.

The utility model can be realized by adopting the following technical scheme:

the utility model provides a film stretching device, is including supporting frame, two pairs of guide rails, two actuating mechanism, four chute boards and four wide anchor clamps, two pairs of guide rail mutually perpendicular sets up, actuating mechanism installs on supporting the frame, its drive end respectively with a pair of the guide rail is connected and is driven this pair the guide rail is mutually or reverse motion, be equipped with horizontal through-hole and vertical through-hole on the chute board, the chute board is respectively through horizontal through-hole and vertical through-hole sliding sleeve two adjacent on the guide rail, four wide anchor clamps are installed respectively two pairs on the guide rail.

Preferably, the wide anchor clamps include top board, holding down plate, pivot and spring, the top board with the front end of holding down plate is rectangular plate-like, the holding down plate is fixed on the guide rail, and its top is equipped with the swivel mount, the pivot passes the top board, its both ends rotate respectively and set up on the swivel mount, the both ends setting of spring is in the rear end of top board with between the rear end of holding down plate.

Preferably, the wide jig is provided at a middle portion of the guide rail.

Preferably, the driving mechanism comprises a motor and a pair of screw rods, the screw rods are rotatably installed on the support base, the threads of the front section and the rear end of the screw rods are opposite and are respectively connected with screw rod sliding blocks through screws, two ends of a pair of guide rails perpendicular to the pair of screw rods are respectively fixed on the screw rod sliding blocks corresponding to the pair of screw rods, and the motor is fixed on the support base and is in transmission connection with the pair of screw rods through a double-output-shaft speed reducer.

Preferably, the film stretching device further comprises an inner frame, the inner frame is arranged on the support base and located between the screw rod and the wide clamp, through grooves are formed in the bottoms of four sides of the inner frame, and two ends of the guide rail extend out of the two opposite through grooves and then are fixed on the screw rod sliding block.

Compared with the prior art, the utility model has the beneficial effects that: the four wide clamps are respectively arranged on the four guide rails, the driving mechanism drives the guide rails to move so that the wide clamps clamp the film for stretching, the film stretching requirement can be met, the use of parts such as telescopic hinges and the like can be reduced, the integral structure is more compact, meanwhile, the four wide clamps only need to be opened for clamping the film before stretching, the clamping times of the clamps are reduced, and the working efficiency is effectively improved.

Drawings

FIG. 1 is a schematic view showing the overall structure of a film stretching apparatus according to the present invention;

FIG. 2 is a schematic structural view of a wide flat tool of the present invention;

the device comprises a support base 1, a transverse guide rail 2, a longitudinal guide rail 3, a first driving mechanism 4, a second driving mechanism 5, a sliding groove plate 6, a wide clamp 7, a double-output-shaft speed reducer 8, an inner frame 9, a transverse through hole 61, a longitudinal through hole 62, a motor 41, a screw rod 42, a screw rod slider 43, an upper pressing plate 71, a lower pressing plate 72, a rotating shaft 73, a spring 74, a rotating seat 75 and a through groove 91.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

Example 1

As shown in fig. 1 and 2, the film stretching device of this embodiment includes a support base 1, two transverse guide rails 2, two longitudinal guide rails 3, a first driving mechanism 4, a second driving mechanism 5, four chute plates 6, and four wide clamps 7, where the two transverse guide rails 2 and the two longitudinal guide rails 3 are perpendicular to each other, the first driving mechanism 4 is installed on the support base 1, and its driving ends are respectively connected with the two transverse guide rails 2 and drive the two transverse guide rails 2 to move in opposite directions or directions, the second driving mechanism 5 is installed on the support base 1, and its driving ends are respectively connected with the two longitudinal guide rails 3 and drive the two longitudinal guide rails 3 to move in opposite directions or directions; the sliding chute plate 6 is provided with a transverse through hole 61 and a longitudinal through hole 62, the sliding chute plate 6 is respectively sleeved on the two adjacent transverse guide rails 2 and the longitudinal guide rails 3 in a sliding mode through the transverse through hole 61 and the longitudinal through hole 62, and the four wide clamps are respectively arranged on the two transverse guide rails 2 and the two longitudinal guide rails 3.

The working process of the film stretching device is as follows: the first driving mechanism 4 and the second driving mechanism 5 are started to respectively drive the two transverse guide rails 2 and the two longitudinal guide rails 3 to move oppositely or reversely, and because the four sliding groove blocks 6 are sleeved on the adjacent transverse guide rails 2 and longitudinal guide rails 3 through the transverse through holes 61 and the longitudinal through holes 62, the two transverse guide rails 2 and the two longitudinal guide rails 3 move oppositely or reversely to drive the four wide clamps 7 to move, so that a film is clamped for stretching, the stress in the film stretching process is uniform, and the film stretching quality is ensured.

In this embodiment, wide anchor clamps 7 include top board 71, holding down plate 72, pivot 73 and spring 74, top board 71 with the front end of holding down plate 72 is rectangular plate-like, holding down plate 72 fixes on transverse guide 2 and longitudinal rail 3, its top is equipped with swivel mount 75, pivot 73 passes top board 71, its both ends rotate the setting respectively on swivel mount 75, the both ends setting of spring 74 is in the rear end of top board 71 with between the rear end of holding down plate 72, the top and bottom plate adopts rectangular plate-like, can increase the length of pressing from both sides tight film. The rear end of the upper platen 71 is pressed, the upper platen 71 rotates with its front end up, the film is placed between the front ends of the upper and lower platens 72, then the rear end of the upper platen 71 is released, the upper platen 71 rotates under the force of the spring 72, and its front end presses the film against the lower platen 72.

In this embodiment, the wide clamps 7 are arranged in the middle of the transverse guide rails 2 and the longitudinal guide rails 3, so that the four wide clamps can clamp the film uniformly.

In the present embodiment, since the first drive mechanism 4 and the second drive mechanism 5 are identical in structure, only the first drive mechanism 4 will be described herein. The driving mechanism 4 comprises a motor 41 and a pair of screw rods 42, the screw rods 42 are rotatably mounted on the support base 1, the threads of the front section and the rear end of each screw rod 42 are opposite and are respectively in screwed connection with screw rod sliding blocks 43, two ends of two transverse guide rails 2 perpendicular to the pair of screw rods 42 are respectively fixed on the screw rod sliding blocks 43 corresponding to the pair of screw rods 42, and the motor 41 is fixed on the support base 1 and is in transmission connection with the pair of screw rods 342 through a double-output-shaft speed reducer 8. The motor 41 is started, the pair of screw rods 42 are driven to rotate simultaneously through the double-output-shaft speed reducer 8, and the screw rods 42 rotate to drive the screw rod sliding blocks 43 at the two ends of the screw rods 42 to move in the same direction or in the opposite direction due to the fact that the screw rod sliding blocks 43 are in threaded connection with the screw rods 42, so that the two transverse guide rails 2 are driven to move in the same direction or in the opposite direction. The first driving mechanism 4 can also adopt a bidirectional telescopic cylinder structure, and two telescopic ends of the first driving mechanism are respectively connected with the two transverse guide rails 2 to drive the two transverse guide rails to move in opposite directions or opposite directions.

In this embodiment, the film stretching device further includes an inner frame 9, the inner frame 9 is disposed on the support base 1 and located between the lead screw 42 and the wide clamp 7, through grooves 91 are disposed at the bottoms of four sides of the inner frame 9, two ends of the transverse guide rail 2 and the longitudinal guide rail 3 extend out of the two opposite ends, the through grooves 91 are fixed on the lead screw slider 43, the inner frame 9 is used to separate the film from an external driving structure, so that the film stretching can be effectively prevented from being affected by the external, the stability and the safety are improved, and meanwhile, the guide rails are convenient to move due to the design of the through grooves 91.

The present invention has been described in connection with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, and is intended to cover various modifications, equivalent combinations, which are within the spirit of the utility model.

Claims

1. A film stretching apparatus characterized in that: including supporting frame, two pairs of guide rails, two actuating mechanism, four chute boards and four wide anchor clamps, two pairs guide rail mutually perpendicular sets up, actuating mechanism installs on the support frame, its drive end is respectively with a pair of the guide rail is connected and is driven this pair the guide rail is mutually or reverse motion, be equipped with horizontal through-hole and vertical through-hole on the chute board, the chute board is respectively through horizontal through-hole and vertical through-hole slip cover two adjacent on the guide rail, four wide anchor clamps are installed respectively two pairs on the guide rail.

2. The film stretching apparatus as claimed in claim 1, wherein: the wide anchor clamps include top board, holding down plate, pivot and spring, the top board with the front end of holding down plate is rectangular plate-like, the holding down plate is fixed on the guide rail, its top is equipped with the swivel mount, the pivot is passed the top board, its both ends rotate respectively and set up on the swivel mount, the both ends setting of spring is in the rear end of top board with between the rear end of holding down plate.

3. The film stretching apparatus as claimed in claim 1, wherein: the wide clamp is arranged in the middle of the guide rail.

4. The film stretching apparatus as claimed in any one of claims 1 to 3, wherein: the driving mechanism comprises a motor and a pair of screw rods, the screw rods are rotatably installed on the supporting base, the threads of the front sections and the rear ends of the screw rods are opposite and are connected with screw rod sliding blocks through screws, the two ends of a pair of guide rails perpendicular to the pair of screw rods are respectively fixed on the screw rod sliding blocks corresponding to the pair of screw rods, and the motor is fixed on the supporting base and is in transmission connection with the pair of screw rods through a double-output-shaft speed reducer.

5. The film stretching apparatus as claimed in claim 4, wherein: the film stretching device further comprises an inner frame, the inner frame is arranged on the supporting base and located between the screw rod and the wide clamp, through grooves are formed in the bottoms of the four sides of the inner frame, and two ends of the guide rail extend out of the two opposite through grooves and then are fixed on the screw rod sliding block.