CN217728624U - A screw tightening buffer mechanism - Google Patents

Abstract

The utility model discloses a buffer gear is screwed up to screw. The method comprises the following steps: a base; a first support block axially movably disposed at a front portion of the base; the screw clamping mouth is arranged on the first supporting block; the second supporting block is axially and movably arranged in the middle of the base; the first moving cylinder is arranged on the mounting plate, and a piston rod of the first moving cylinder penetrates through the through hole to be connected with the first supporting block; the second moving cylinder is arranged on the mounting plate and is horizontally arranged in parallel with the first moving cylinder, and a piston rod of the second moving cylinder is connected with the horizontal limiting bump; a screw tightening gun disposed on the second support block. The utility model has the advantages that: the screw can be automatically screwed; the buffer spring is arranged on the horizontal sliding rod, and the buffer spring can play a role in buffering and resetting.

Description

A screw tightening buffer mechanism

technical field

The utility model relates to the field of industrial automation, in particular to a screw tightening buffer mechanism.

Background technique

Screw (foreign name: screw), the general material is metal or plastic, the top of the screw is usually round, square or regular hexagonal, the top is provided with grooves, it is convenient to use the corresponding screw rod to turn the screw, the rod of the screw is round Cylindrical, concave-convex grooves engraved on the surface are called screwthreads. The main function of the screw is to join two objects, or to fix the position of an object. Screws can usually be removed and retightened at will without loss of efficiency. In the industrial production process, it is necessary to use a large number of screws for the workpiece, and the way of manually screwing the screws seriously affects the production efficiency. With the acceleration of the industrialization process, more and more enterprises purchase automation equipment to replace traditional manual operations.

The existing screw tightening buffer mechanism has complex structure, high cost and inconvenient maintenance.

Utility model content

The purpose of the utility model is to provide a screw tightening buffer mechanism, which is provided with a position-adjustable screw clamp and a screw tightening gun, which can automatically tighten screws.

Another object of the present invention is to provide a screw tightening buffer mechanism, which is provided with a buffer spring on the horizontal slide bar, which can play the role of buffering and reset.

In order to achieve the above object, the utility model adopts the following technical solutions, including:

a base with a mounting plate at its end;

a first support block, which is axially movably arranged on the front part of the base;

a screw clamp, which is arranged on the first support block, and is used for clamping the screw; and

The second support block is axially movably arranged in the middle of the base, an axial through hole is provided on the second support block, and a horizontal stop is provided on one side of the second support block Bump;

The first moving cylinder is arranged on the mounting plate, and the piston rod of the first moving cylinder passes through the through hole and is connected with the first support block for adjusting the axial position of the first support block;

The second motion cylinder is arranged on the mounting plate and arranged horizontally with the first motion cylinder. The piston rod of the second motion cylinder is connected with the horizontal limit projection for adjusting the second motion cylinder. Axial position of the support block;

A screw tightening gun, which is axially movably arranged on the second support block, and is used to cooperate with the screw clamp to tighten the screw;

Wherein, the screw chuck is on the same axis as the screw tightening gun.

Preferably, it also includes:

a guide rail, which is arranged axially on the upper end surface of the base;

The first guide rail groove and the second guide rail groove are respectively arranged on the lower end surfaces of the first support block and the second support block, and the first guide rail groove and the second guide rail groove are matched with the guide rails.

Preferably, it also includes:

a first riser and a second riser, which are respectively arranged at the front end and the end of the second support block;

a pair of horizontal sliding rods, which are erected between the first vertical plate and the second vertical plate in the axial direction;

A buffer slider, the lower part of which is provided with a pair of openings for the horizontal slide bar to pass through;

Wherein, the opening matches the horizontal sliding rod, and the screw tightening gun is arranged on the buffer sliding block.

Preferably, it also includes:

The sliding bearing is arranged in the hole wall of the hole, and is used to reduce the friction force between the buffer slider and the horizontal sliding bar.

Preferably, it also includes:

A buffer spring is sheathed on the horizontal slide bar, and the two ends of the buffer spring abut against the buffer slider and the second vertical plate respectively.

Preferably, the screw clamp includes:

Clip body;

a pair of clamp petals, the mirror images of which are arranged in the clamp body;

A pair of pin shafts, which respectively pass through the clamp body and the clamp valve, are used to flexibly connect the clamp body and the clamp valve;

The accommodating grooves are respectively arranged at the rear of the clamp petals, and a spring for providing a restoring force is arranged in the accommodating grooves, and the two ends of the spring abut against the clamp petals and the clamp mouth body respectively. The beneficial effect of the utility model is that: it is provided with a position-adjustable screw gripper and a screw tightening gun, which can automatically tighten screws; a buffer spring is provided on the horizontal slide bar, which can play the role of buffering and reset.

Description of drawings

Fig. 1 is a perspective view 1 of a screw tightening buffer mechanism of the present invention.

Fig. 2 is a second perspective view of a screw tightening buffer mechanism of the present invention.

Fig. 3 is a schematic diagram of the screw clamp mouth in the utility model.

Detailed ways

The utility model will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

It should be understood that terms such as "having", "comprising" and "including" used herein do not exclude the presence or addition of one or other elements or combinations thereof.

As shown in Figure 1-3, a kind of realization form of the present utility model, in order to realize above-mentioned purpose, the present utility model adopts following technical scheme, comprises:

The base 110 is a rectangular plate structure made of metal or polymer material, and a mounting plate 120 is provided at the end of the base plate 110 . As a preference, an axial guide rail 111 is provided on the upper end surface of the base 110 . As a preference, the guide rail 111 is a T-shaped guide rail.

The first support block 130 is axially movably arranged on the front part of the base 110; as a preference, a first guide rail groove 131 is provided on the lower end surface of the first support block 130, and the first guide rail The groove 131 matches with the guide rail 111 .

The screw clamp 140 is arranged on the first support block 130 and is used for clamping the screw. As a preference, an inclined clamping flap 141 is provided above the screw clamping mouth 140 .

The second support block 150 is axially movably arranged in the middle part of the base 110, an axial through hole 152 is provided on the second support block 150, and a There are horizontal limit projections 153 . As a preference, a second guide rail groove 151 is provided on the lower end surface of the second support block 150 , and the second guide rail groove 151 is matched with the guide rail 111 .

The first motion cylinder 160 is arranged on the mounting plate 120, and the piston rod of the first motion cylinder 160 passes through the through hole 152 and is connected with the first support block 130 for adjusting the position of the first support block 130. axial position. The second motion cylinder 170 is arranged on the mounting plate 120, and is horizontally arranged side by side with the first motion cylinder, and the piston rod of the second motion cylinder 170 is connected with the horizontal limit projection 153 for adjusting The axial position of the second support block 150 .

A screw tightening gun 180 is axially movably arranged on the second support block 150 and is used for cooperating with the screw clamp 140 to tighten screws. Wherein, the screw chuck 140 is on the same axis as the screw tightening gun 180 . As a preference, it also includes: a first vertical plate 181 and a second vertical plate 182, which are respectively arranged at the front end and the end of the second support block 150; a pair of horizontal sliding rods 183, which are erected on the between the first vertical plate 181 and the second vertical plate 182; a buffer slider 184, the lower part of which is provided with a pair of openings for the horizontal slide bar 183 to pass through; wherein, the opening and the horizontal slide The rod 183 matches, and the screw tightening gun 180 is arranged on the buffer slide 184 .

During use, first, the first moving cylinder 160 drives the first supporting block 130, so that the first supporting block 130 drives the screw clamp 140 to the position where the screw is to be installed; then the second moving cylinder 170 drives the second supporting block 150, make the second support block 150 drive the screw tightening gun 180 to move, make the screw tightening gun 180 abut against the screw, then the second moving cylinder 170 drives the second support block 150 forward again, and at the same time, the screw tightening gun 180 drives the screw to rotate and Tighten. During the tightening process, when the thrust of the second moving cylinder 170 is too large, the buffer slider 184 arranged on the second support block 150 drives the screw tightening gun 180 to move backward, and the buffer spring 185 can buffer and help the screw tightening gun 180 The role of reset.

In another embodiment, it also includes: a guide rail 111, which is arranged on the upper end surface of the base 110 in the axial direction; a first guide rail groove 131 and a second guide rail groove 151, which are respectively arranged on the first support block 130 and the lower end surface of the second support block 150, the first guide rail groove and the second guide rail groove are matched with the guide rail.

In another embodiment, it also includes: a first vertical plate 181 and a second vertical plate 182, which are respectively arranged at the front end and the end of the second support block 150; a pair of horizontal sliding rods 183, which are erected in the axial direction Between the first vertical plate and the second vertical plate; the buffer slider 184, its lower part is provided with a pair of openings for the horizontal sliding bar to pass through; wherein, the opening and the horizontal sliding bar Matched, the screw tightening gun is arranged on the buffer slider.

In another embodiment, it also includes: a sliding bearing, which is arranged in the hole wall of the hole, and is used to reduce the friction between the buffer slider and the horizontal slider.

In another embodiment, also includes:

The buffer spring 185 is sheathed on the horizontal sliding rod 183 , and the two ends of the buffer spring 185 abut against the buffer slider 184 and the second vertical plate 182 respectively.

In another embodiment, the screw clamp 140 includes:

Clip body 141;

a pair of clamp petals 142, the mirror image of which is arranged in the clamp body;

A pair of pin shafts 143, which respectively pass through the clamp body and the clamp valve, are used to flexibly connect the clamp body and the clamp valve;

The accommodating grooves 144 are respectively arranged at the rear of the clamp petals, and a spring 145 for providing a restoring force is arranged in the accommodating grooves, and the two ends of the spring abut against the clamp petals and the clamp mouth body respectively.

In summary, the utility model is a screw tightening buffer mechanism 1, which is provided with a position-adjustable screw clamp 140 and a screw tightening gun 180, which can automatically tighten screws; Can play the role of buffer and reset.

The embodiment of the utility model has been disclosed as above, but it is not limited to the description and implementation listed in the application, it can be applied to various fields suitable for the utility model, and for those familiar with the art, it can be Further modifications can readily be effected, so the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (6)

1. A screw tightening buffer mechanism, comprising:

the tail end of the base is provided with an installation plate;

a first support block axially movably disposed at a front portion of the base;

the screw clamping mouth is arranged on the first supporting block and used for clamping a screw; and

the second supporting block is axially and movably arranged in the middle of the base, an axial through hole is formed in the second supporting block, and a horizontal limiting lug is arranged on one side of the second supporting block;

the piston rod of the first moving cylinder penetrates through the through hole to be connected with the first supporting block and is used for adjusting the axial position of the first supporting block;

the second moving cylinder is arranged on the mounting plate and is horizontally arranged in parallel with the first moving cylinder, and a piston rod of the second moving cylinder is connected with the horizontal limiting lug and is used for adjusting the axial position of the second supporting block;

the screw tightening gun is axially movably arranged on the second supporting block and is used for matching with the screw clamping mouth to tighten a screw;

wherein the screw clamping mouth and the screw tightening gun are positioned on the same axis.

2. The screw tightening cushion mechanism according to claim 1, further comprising:

the guide rail is arranged on the upper end surface of the base along the axial direction;

and the first guide rail groove and the second guide rail groove are respectively arranged on the lower end surfaces of the first supporting block and the second supporting block and are matched with the guide rail.

3. The screw tightening buffer mechanism according to claim 1 or 2, characterized by further comprising:

the first vertical plate and the second vertical plate are respectively arranged at the front end and the tail end of the second supporting block;

a pair of horizontal sliding rods, which are erected between the first vertical plate and the second vertical plate along the axial direction;

the lower part of the buffer sliding block is provided with a pair of openings for the horizontal sliding rod to pass through;

wherein, the trompil with horizontal slide bar phase-match, the screw tightening rifle sets up on the buffering slider.

4. The screw tightening cushion mechanism according to claim 3, further comprising:

and the sliding bearing is arranged in the hole wall of the hole and used for reducing the friction force between the buffer sliding block and the horizontal sliding rod.

5. The screw tightening cushion mechanism according to claim 3, further comprising:

and the buffer spring is sleeved on the horizontal sliding rod, and two ends of the buffer spring are respectively abutted with the buffer sliding block and the second vertical plate.

6. The screw tightening cushion mechanism of claim 3, wherein the screw clamp mouth comprises:

a jaw body;

a pair of clip petals arranged in a mirror image in the clip mouth body;

the pin shafts respectively penetrate through the clamping nozzle body and the clamping petals and are used for movably connecting the clamping nozzle body and the clamping petals;

the holding tank, it sets up respectively the rear portion of pressing from both sides the lamella be equipped with the spring that is used for providing the restoring force in the holding tank, the spring both ends respectively with press from both sides lamella and pressing from both sides mouth body looks butt.

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