CN212193375U

CN212193375U - Positioning device for opening holes in desk supporting legs

Info

Publication number: CN212193375U
Application number: CN202020454715.5U
Authority: CN
Inventors: 马发林; 谢飞良
Original assignee: Jiangxi Nancheng County Fahua Industry Co ltd
Current assignee: Jiangxi Nancheng County Fahua Industry Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-12-22
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a positioner is used in trompil of desk landing leg, the on-line screen storage device comprises a fixed base, unable adjustment base's last skin weld has places the piece, place a symmetrical welding in unable adjustment base's both sides, both sides the upper surface of placing the piece all welds the locating plate, the top threaded connection of locating plate has the screw rod, the bottom of screw rod is rotated and is provided with the clamp plate, the clamp plate sets up the inboard at the locating plate, unable adjustment base's last surface mounting has the cylinder, the output welding of cylinder has the bracing piece, the slot has been seted up to the other end of bracing piece, the inside of slot is pegged graft and is had the connecting rod, the connecting rod passes through the. The utility model discloses a put the landing leg at the upper surface of placing the piece, then rotate the screw rod, make the screw rod drive clamp plate move down, make the clamp plate fix the upper surface of landing leg to the stability of landing leg when the trompil has been increased.

Description

Positioning device for opening holes in desk supporting legs

Technical Field

The utility model belongs to the technical field of the desk, concretely relates to positioner is used in trompil of desk landing leg.

Background

The desk is used by students, and the desks used for schools are unified into the desk from the eight desks in the earliest school hall. When the desk is produced, the supporting legs of the desk need to be processed, and holes need to be formed when the supporting legs are processed.

The positioning device for opening holes in the legs of the existing desk also has the following problems: inconvenient upper surface to the landing leg is fixed, and stability is relatively poor, simultaneously, after the landing leg is fixed, still need the manual work to measure the landing leg, is carrying out the trompil after confirming the position of trompil and is handling, and troublesome poeration has reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioner is used in trompil of desk landing leg, through putting the landing leg at the upper surface of placing the piece, then rotate the screw rod, make the screw rod drive clamp plate downstream, make the clamp plate fix the upper surface of landing leg, thereby the stability of landing leg when the trompil has been increased, after the landing leg is fixed, drive the bracing piece downstream through the cylinder, make the mould board remove the upper surface of landing leg, and carry out the trompil according to the position of through-hole, conveniently directly confirm the trompil position, the work efficiency has been increased, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning device for opening holes on legs of a desk comprises a fixed base, wherein a placing block is welded on the upper surface of the fixed base, the placing blocks are symmetrically welded on two sides of the fixed base, the positioning plates are welded on the upper surfaces of the placing blocks on two sides, the top of the positioning plate is in threaded connection with a screw rod, the bottom end of the screw rod is rotatably provided with a pressing plate, the pressing plate is arranged on the inner side of the positioning plate, the air cylinder is arranged on the upper surface of the fixed base, the output end of the air cylinder is welded with the supporting rod, the other end of the supporting rod is provided with a slot, the inside of the slot is inserted with a connecting rod, the connecting rod is fixedly arranged in the slot through a fastening bolt, the fastening bolt is in threaded connection with the support rod, the other end of the connecting rod is welded with a die plate, the die plate is provided with two groups of through holes, and the two groups of through holes are symmetrically arranged on two sides of the die plate.

Preferably, the upper surfaces of the placing blocks on the two sides are provided with limiting grooves.

Preferably, the top of the screw rod is welded with a knob, and the knob is arranged above the positioning plate.

Preferably, the other end of the fastening bolt is in threaded connection with a nut, and the nut is arranged on the lower surface of the support rod.

Preferably, the periphery of the lower surface of the fixed base is fixedly bonded with an anti-skid rubber pad.

Preferably, the bottom of the cylinder is welded with a bottom plate, and the periphery of the bottom plate is fixedly arranged on the upper surface of the fixed base through screws.

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

1. the utility model discloses a put the landing leg at the upper surface of placing the piece, then rotate the screw rod, make the screw rod drive clamp plate move down, make the clamp plate fix the upper surface of landing leg to the stability of landing leg when the trompil has been increased.

2. The utility model discloses after the landing leg is fixed, drive the bracing piece through the cylinder and move down, make the mould board remove the upper surface of landing leg to carry out the trompil according to the position of through-hole, conveniently directly confirm the trompil position, increased work efficiency, simultaneously through screwing out fastening bolt from the bracing piece, the convenience is dismantled the mould board, is convenient for change.

Drawings

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

fig. 2 is a top view of the present invention in fig. 1;

figure 3 is a left side view of the cylinder portion of figure 1 in accordance with the present invention;

fig. 4 is a schematic view of the upper surface structure of the placing block of the present invention.

In the figure: 1. a fixed base; 2. placing the blocks; 3. positioning a plate; 4. a screw; 5. pressing a plate; 6. a cylinder; 7. a support bar; 8. a slot; 9. a connecting rod; 10. fastening a bolt; 11. a mold plate; 12. a through hole; 13. a limiting groove; 14. a knob; 15. a nut; 16. an anti-skid rubber pad; 17. a base plate; 18. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a positioning device for opening holes in desk legs comprises a fixed base 1, in order to increase the stability of the fixed base 1 and reduce the vibration during opening the holes, anti-skid rubber pads 16 are fixedly bonded on the periphery of the lower surface of the fixed base 1, placing blocks 2 are welded on the upper surface of the fixed base 1, in order to increase the stability of the legs placed on the placing blocks 2 and avoid deviation, limiting grooves 13 are formed in the upper surfaces of the placing blocks 2 on the two sides;

the placing blocks 2 are symmetrically welded on two sides of the fixed base 1, the positioning plates 3 are welded on the upper surfaces of the placing blocks 2 on the two sides, the top of each positioning plate 3 is in threaded connection with a screw rod 4, a pressing plate 5 is rotatably arranged at the bottom end of each screw rod 4, each pressing plate 5 is arranged on the inner side of each positioning plate 3, and in order to facilitate rotation of the screw rods 4, knobs 14 are welded on the tops of the screw rods 4 and are arranged above the positioning plates 3;

fixing base 1's last surface mounting has cylinder 6, for the convenience of the dismouting of cylinder 6, the bottom welding of cylinder 6 has bottom plate 17, bottom plate 17 sets up the upper surface at fixing base 1 through screw 18 is fixed all around, the output welding of cylinder 6 has bracing piece 7, slot 8 has been seted up to the other end of bracing piece 7, the inside grafting of slot 8 has connecting rod 9, connecting rod 9 passes through fastening bolt 10 and fixes the setting in slot 8, fastening bolt 10 and bracing piece 7 threaded connection, in order to increase fastening bolt 10's stability, fastening bolt 10's other end threaded connection has nut 15, nut 15 sets up the lower surface at bracing piece 7, the other end welding of connecting rod 9 has mould board 11, through-hole 12 has been seted up on mould board 11, through-hole 12 is provided with two sets ofly, and two sets of through-hole 12 symmetries.

The structure principle is as follows: the utility model discloses a put the landing leg at the upper surface of placing piece 2, then rotate screw rod 4, make screw rod 4 drive clamp plate 5 downstream, make clamp plate 5 fix the upper surface of landing leg, thereby the stability of landing leg when the trompil has been increased, in addition, after the landing leg is fixed, drive bracing piece 7 downstream through cylinder 6, make mould board 11 remove the upper surface of landing leg, and carry out the trompil according to the position of through-hole 12, conveniently directly confirm the trompil position, the work efficiency has been increased, simultaneously through screwing out fastening bolt 10 from bracing piece 7, the convenience is dismantled mould board 11, and convenient for change.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a desk landing leg positioner for trompil, includes unable adjustment base (1), its characterized in that: the upper surface of the fixed base (1) is welded with the placing blocks (2), the placing blocks (2) are symmetrically welded on two sides of the fixed base (1), the positioning plates (3) are welded on the upper surfaces of the placing blocks (2) on two sides, the top of each positioning plate (3) is in threaded connection with a screw rod (4), a pressing plate (5) is rotatably arranged at the bottom end of each screw rod (4), the pressing plates (5) are arranged on the inner sides of the positioning plates (3), the upper surface of the fixed base (1) is provided with an air cylinder (6), the output end of each air cylinder (6) is welded with a support rod (7), the other end of each support rod (7) is provided with a slot (8), a connecting rod (9) is inserted into the slot (8), the connecting rod (9) is fixedly arranged in the slot (8) through a fastening bolt (10), and the fastening bolt (10) is in threaded connection, the other end welding of connecting rod (9) has mould board (11), through-hole (12) have been seted up on mould board (11), through-hole (12) are provided with two sets ofly, and two sets of through-hole (12) symmetry sets up the both sides at mould board (11).

2. The positioning device for opening holes in legs of desks as claimed in claim 1, wherein: limiting grooves (13) are formed in the upper surfaces of the placing blocks (2) on the two sides.

3. The positioning device for opening holes in legs of desks as claimed in claim 1, wherein: the top of the screw rod (4) is welded with a knob (14), and the knob (14) is arranged above the positioning plate (3).

4. The positioning device for opening holes in legs of desks as claimed in claim 1, wherein: the other end of the fastening bolt (10) is in threaded connection with a nut (15), and the nut (15) is arranged on the lower surface of the supporting rod (7).

5. The positioning device for opening holes in legs of desks as claimed in claim 1, wherein: and anti-skid rubber pads (16) are fixedly bonded on the periphery of the lower surface of the fixed base (1).

6. The positioning device for opening holes in legs of desks as claimed in claim 1, wherein: the bottom welding of cylinder (6) has bottom plate (17), bottom plate (17) are fixed the setting at the upper surface of unable adjustment base (1) through screw (18) all around.