CN215662385U

CN215662385U - Clamping mechanism for screen stretching machine

Info

Publication number: CN215662385U
Application number: CN202120677707.1U
Authority: CN
Inventors: 沈俊峰
Original assignee: Suzhou Quanzhiyin Precision Manufacturing Co ltd
Current assignee: Suzhou Quanzhiyin Precision Manufacturing Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2022-01-28
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses a clamping mechanism for a net stretching machine, which comprises a bottom plate; the bottom plate upper end is provided with the spout, the spout upper end is provided with the carousel, carousel bottom both sides are provided with the pivot, inside the pivot embedding spout, carousel upper end one side is provided with the connecting rod, be provided with the handle between the connecting rod upper end, the carousel front end is provided with the clevis, inside the clevis one end both sides embedding carousel, the clevis front end is provided with the pressure head, the pressure head sets up as an organic whole with the clevis, the pressure head is provided with the axostylus axostyle with the clevis linking department intermediate position, axostylus axostyle both ends embedding pressure head and clevis joint position, the axostylus axostyle upper end is provided with the screw, the axostylus axostyle upper end is provided with the lead screw, swivelling joint between lead screw and the screw. When the pressure head needs to be adjusted, the screw rod is rotated, and the shaft rod, namely the pressure head and the connecting fork, is driven to move by the screw rod under the action of the screw hole in the rotating process.

Description

Clamping mechanism for screen stretching machine

Technical Field

The utility model relates to the technical field of net stretching machines, in particular to a clamping mechanism for a net stretching machine.

Background

The screen stretching machine is an indispensable device for manufacturing screen printing plates and has the principle that a screen is stretched on a screen frame with certain tension. The current market is mainly divided into a manual screen stretching machine and a pneumatic screen stretching machine, wherein the manual screen stretching machine is divided into a pressing strip type and a clamping head type. The manual bar pressing type screen stretching machine is the first choice in the printing industry due to low cost, the screen stretching machine fixes materials through a co-tightening mechanism when in use, and the existing clamping device needs to be adjusted when in use, so that great inconvenience is brought to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamping mechanism for a net stretching machine, which solves the problem that the existing clamping device is inconvenient to use because hairs are required to be adjusted when in use.

In order to achieve the purpose, the utility model provides the following technical scheme: a clamping mechanism for a net stretching machine comprises a bottom plate; the upper end of the bottom plate is provided with a chute, the bottom end of the chute is fixedly arranged at the upper end position of the bottom plate through a bolt, the upper end of the chute is provided with a rotary table, two sides of the bottom end of the rotary table are provided with rotating shafts, the rotating shafts are welded at two sides of the rotary table and embedded in the chute, one side of the upper end of the rotary table is provided with a connecting rod, one end of the connecting rod is welded at one side of the rotary table, a handle is arranged between the upper ends of the connecting rods, two ends of the handle are welded at one side of the connecting rod, the front end of the rotary table is provided with a connecting fork, two sides of one end of the connecting fork are embedded in the rotary table, the connecting fork is rotatably connected with the rotary table, the front end of the connecting fork is provided with a pressure head, the pressure head and the connecting fork are integrally arranged, a shaft lever is arranged at the middle position of the connecting position of the pressure head and the connecting fork, and the connecting position of the shaft lever are embedded in two ends of the pressure head and the connecting fork, the shaft lever is rotatably connected with the joint of the pressure head and the connecting fork, a screw hole is formed in the upper end of the shaft lever, a lead screw is arranged at the upper end of the shaft lever, the lead screw is rotatably connected with the screw hole, and the bottom end of the lead screw is rotatably installed into the bottom plate.

Preferably, a graduated scale is arranged on one side of the screw rod, and the graduated scale is seal-cut on the upper side of the screw rod.

Preferably, a friction pad is arranged on the outer side of the handle, and the friction pad is adhered to the outer side of the handle through adhesive glue.

Preferably, the front end of the bottom plate is provided with a groove, and the groove is located right below the pressure head.

Preferably, the upper end of the screw rod is provided with a rotating disc, and the bottom end of the rotating disc is welded at the upper end of the screw rod.

Preferably, the front end of the pressure head is provided with an elastic pad, and the elastic pad is adhered to the outer side of the pressure head through adhesive glue.

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

1. when the pressure head needs to be adjusted, the screw rod is rotated, and the shaft rod, namely the pressure head and the connecting fork, is driven to move by the screw rod under the action of the screw hole in the rotating process;

2. the elastic pad can increase the friction force between the pressure head and the material, and the phenomenon of slipping between the pressure head and the material is avoided when the device is used;

3. the rotating disc is convenient for workers to hold, so that the screw rod can be rotated conveniently;

4. the arrangement of the groove is convenient for increasing the contact area between the pressure head and the bottom plate, so that the contact area between the pressure head, the bottom plate and the material is increased.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural view of the screw rod of the present invention.

In the figure: 1. a turntable; 2. a rotating shaft; 3. a connecting fork; 4. a pressure head; 5. a spring pad; 6. a screw rod; 7. a shaft lever; 8. rotating the disc; 9. a handle; 10. a friction pad; 11. a connecting rod; 12. a base plate; 13. a chute; 14. a groove; 15. a screw hole; 16. a graduated scale.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a clamping mechanism for a net stretching machine includes a base plate 12; the upper end of a bottom plate 12 is provided with a chute 13, the bottom end of the chute 13 is fixedly arranged at the upper end position of the bottom plate 12 through bolts, the upper end of the chute 13 is provided with a rotary table 1, two sides of the bottom end of the rotary table 1 are provided with rotating shafts 2, the rotating shafts 2 are welded at two sides of the rotary table 1, the rotating shafts 2 are embedded in the chute 13, one side of the upper end of the rotary table 1 is provided with a connecting rod 11, one end of the connecting rod 11 is welded at one side of the rotary table 1, a handle 9 is arranged between the upper ends of the connecting rod 11, two ends of the handle 9 are welded at one side of the connecting rod 11, the front end of the rotary table 1 is provided with a connecting fork 3, two sides of one end of the connecting fork 3 are embedded in the rotary table 1, the front end of the connecting fork 3 is provided with a pressure head 4, the pressure head 4 and the connecting fork 3 are arranged integrally, the middle position of the joint of the pressure head 4 and the connecting fork 3 is provided with a shaft lever 7, two ends of the pressure head 4 and the joint of the connecting fork 3 are embedded in positions, the axostylus axostyle 7 and pressure head 4 and the rotatory connection of the linking department of

yoke

3, 7 upper ends of axostylus axostyles are provided with

screw

15, and 7 upper ends of axostylus axostyles are provided with lead screw 6, and the swivelling joint between lead screw 6 and the screw 15, inside bottom plate 12 was gone into in the rotatory installation of lead screw 6 bottom.

Further, 6 one sides of lead screw are provided with

scale

16, and 16 seal cuttings of scale are in 6 upside positions of lead screw, and the setting up of scale 16 makes things convenient for the staff to calibrate the length that lead screw 6 stretches out.

Further, a friction pad 10 is arranged on the outer side of the handle 9, the friction pad 10 is attached to the outer side of the handle 9 through adhesive glue, and the friction pad 10 is arranged to increase the friction force between the handle 9 and the hand of the user.

Further, the front end of the bottom plate 12 is provided with a groove 14, the groove 14 is located right below the pressure head 4, and the arrangement of the groove 14 facilitates increasing the contact area between the pressure head 4 and the bottom plate 12, so that the contact area between the pressure head 4, the bottom plate 12 and the material is increased.

Further, the upper end of the screw rod 6 is provided with the rotating disc 8, the bottom end of the rotating disc 8 is welded at the upper end of the screw rod 6, and the rotating disc 8 is arranged to be convenient for a worker to hold, so that the screw rod 6 is convenient to rotate.

Further, 4 front ends of pressure head are provided with bullet pad 5, and bullet pad 5 pastes in 4 outside positions of pressure head through the bonding adhesive, and the setting of bullet pad 5 can increase the frictional force between pressure head 4 and the material, avoids appearing the phenomenon of skidding between pressure head 4 and the material when using.

The working principle and the using process of the utility model are as follows: when in use, the bottom plate 12 is fixedly arranged at the upper end position of the net stretching machine through bolts, the material to be fixed is placed at the position right below the pressure head 4 on the upper side of the bottom plate 12, when the handle 9 is pulled, two ends of the handle 9 move downwards through the connecting rod 11, the connecting rod 11 drives the turntable 1 to rotate, the turntable 1 drives the connecting fork 3 and the pressure head 4 to rotate along the shaft lever 7, so that the pressure head 4 is driven to move downwards during the rotation process of the turntable 1, the material is fixed by the pressure head 4, when the pressure head 4 needs to be adjusted, the screw rod 6 is rotated, in the rotating process of the screw rod 6, through the effect of screw 15, drive axostylus axostyle 7 and pressure head 4 and clevis 3 move promptly, clevis 3 will drive carousel 1 at the in-process that removes and rotate, and carousel 1 slides along spout 13 in the pivot 2 at rotatory in-process both ends, avoids carousel 1 to break away from bottom plate 12 when using.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A clamping mechanism for a screen stretching machine comprises a base plate (12); the method is characterized in that: the upper end of the bottom plate (12) is provided with a sliding chute (13), the bottom end of the sliding chute (13) is fixedly arranged at the upper end of the bottom plate (12) through bolts, the upper end of the sliding chute (13) is provided with a rotary table (1), two sides of the bottom end of the rotary table (1) are provided with rotary shafts (2), the rotary shafts (2) are welded at two sides of the rotary table (1), the rotary shafts (2) are embedded in the sliding chute (13), one side of the upper end of the rotary table (1) is provided with a connecting rod (11), one end of the connecting rod (11) is welded at one side of the rotary table (1), a handle (9) is arranged between the upper ends of the connecting rods (11), two ends of the handle (9) are welded at one side of the connecting rod (11), the front end of the rotary table (1) is provided with a connecting fork (3), two sides of one end of the connecting fork (3) are embedded in the rotary table (1), and the connecting fork (3) is rotatably connected with the rotary table (1), connect fork (3) front end and be provided with pressure head (4), pressure head (4) and connect fork (3) set up as an organic whole, pressure head (4) and connect fork (3) linking department intermediate position are provided with axostylus axostyle (7), axostylus axostyle (7) both ends embedding pressure head (4) and connect fork (3) linking department position, axostylus axostyle (7) and pressure head (4) and connect fork (3) linking department swivelling joint, axostylus axostyle (7) upper end is provided with screw (15), axostylus axostyle (7) upper end is provided with lead screw (6), swivelling joint between lead screw (6) and screw (15), lead screw (6) bottom rotation is installed into inside bottom plate (12).

2. A clamping mechanism for a screen stretching machine as claimed in claim 1, wherein: and a graduated scale (16) is arranged on one side of the screw rod (6), and the graduated scale (16) is seal-cut at the upper side of the screw rod (6).

3. A clamping mechanism for a screen stretching machine as claimed in claim 1, wherein: the outer side of the handle (9) is provided with a friction pad (10), and the friction pad (10) is adhered to the outer side of the handle (9) through adhesive glue.

4. A clamping mechanism for a screen stretching machine as claimed in claim 1, wherein: the front end of the bottom plate (12) is provided with a groove (14), and the groove (14) is positioned under the pressure head (4).

5. A clamping mechanism for a screen stretching machine as claimed in claim 1, wherein: the upper end of the screw rod (6) is provided with a rotating disc (8), and the bottom end of the rotating disc (8) is welded at the upper end of the screw rod (6).

6. A clamping mechanism for a screen stretching machine as claimed in claim 1, wherein: the front end of the pressing head (4) is provided with an elastic pad (5), and the elastic pad (5) is adhered to the outer side of the pressing head (4) through an adhesive.