CN206356889U - The tray positioning mechanism of intelligent accurate - Google Patents

Abstract

The utility model relates to an intelligent and precise tray positioning mechanism in the field of mechanical transmission equipment, comprising a transmission base and a lifting assembly, the top of the transmission base is provided with a horizontal slide rail, and a tray that can slide horizontally along the horizontal slide rail is provided on the horizontal slide rail , the right side of the tray is provided with a second horizontal chute, and the inner bottom of the second horizontal chute is provided with a clamping positioning column. The lifting assembly includes a lifting main board, a horizontal guide rail and several positioning plates. The positioning claws that extend downwards are used to match the clamping and positioning columns of the pressing tray. During the working process, when the lifting main board is lowered, the positioning claws are paired with the clamping and positioning columns of the pressing tray to accurately position the tray. When the lifting main board rises, the positioning claw releases the positioning column to ensure that the workpiece is assembled after the pallet is pressed tightly during the processing or assembly process of the intelligent assembly platform to ensure the accuracy of the positioning of the workpiece, thereby ensuring the accuracy of the assembly of the workpiece .

Description

Intelligent and precise pallet positioning mechanism

technical field

The utility model relates to the field of mechanical transmission equipment, in particular to an intelligent and precise tray positioning mechanism.

Background technique

In automated processing or assembly equipment, in order to meet the needs of mass production, most of the automated equipment can realize assembly line operations. In the intelligent assembly platform for automated assembly line operations, it is necessary to set the moving position and assembly position of each station. Each station is correspondingly provided with a pallet, which is used to support workpieces, and each pallet can correspond to one station. During the assembly line operation, the pallet is driven by the transmission mechanism, and the pallet needs to be fixed at the same time. Usually, it is positioned by the clamping and fixing mechanism. The transmission mechanism moves the pallet from the first station to the last station, and then the clamping and fixing mechanism Positioning is carried out, and finally automated assembly can be arranged.

The clamping and fixing mechanism is used to clamp and fix the pallet. The clamping and fixing mechanism in the prior art has a simple structure and can only perform a simple clamping action on the pallet, and it is easy to loosen when paired and clamped with the pallet, and the clamping force is not enough. , It is easy to cause deviation after clamping, which affects the movement accuracy of the pallet, especially it cannot adapt to the intelligent assembly platform that has strict requirements on accuracy and stability.

Utility model content

The purpose of this utility model is to solve the above defects and provide an intelligent and accurate tray positioning mechanism, which can accurately position the tray

The purpose of this utility model is achieved in the following ways:

Intelligent and precise pallet positioning mechanism, including transmission base and lifting assembly, cam transmission assembly includes gear seat, gear shaft, cam and rocker, gear shaft meshes with external drive mechanism, the external drive mechanism drives the gear shaft to rotate, and the cam Connect with the gear shaft, the cam and the gear shaft are installed at the rear end of the gear seat, the middle part of the rocker is rotatably installed at the front end of the gear seat, the rear end of the rocker is in contact with the cam, driven by the cam, and the front end of the rocker There are rollers, the top of the transmission base is provided with a horizontal slide rail, and a tray that can slide horizontally along the horizontal slide rail is provided on the horizontal slide rail, the left side of the tray is provided with the first horizontal chute, and the right side of the tray is provided with There is a second horizontal chute, the first horizontal chute and the second horizontal chute are used to match and snap into the horizontal slide rail, the inner bottom surface of the second horizontal chute is provided with a clamping positioning column, and the lifting component is set on the transmission base On the right side of the lifting assembly, the lifting assembly includes a lifting main board, a horizontal guide rail and several positioning plates. The horizontal guide rail is installed horizontally on the top of the lifting main board. The positioning claw extends into the second horizontal chute and is located above the clamping positioning column. The positioning claw is used to match the clamping positioning column of the pressing tray. The left side of the lifting main board and the right side of the transmission base The planes are connected by vertical guide rails. A follower supporting plate is provided on the right side of the lifting main board. The follower supporting plate is in contact with the cam transmission assembly. The cam transmission assembly is driven by an external drive mechanism to move up and down, and then The bottom of the actuator support plate is provided with a rolling surface that extends backward and is used to contact the roller. The roller can roll along the rolling surface. When the gear shaft rotates, the cam is driven to rotate, and the rear end of the rocker is driven by the cam to swing. At the same time The front end of the rocker is tilted up and down, thereby driving the follower supporting plate to carry out the lifting movement, so that the lifting main board can be lifted up and down along the vertical guide rail. , so as to precisely position the tray. When the lifting main board rises, the positioning claw releases the positioning column.

In the above description, as a preferred solution, the clamping positioning column is arranged laterally in the second horizontal chute, the clamping positioning column is a cylinder, and the top of the clamping positioning column is to facilitate the positioning claws to slide in for clamping The positioning convex arc surface, the positioning claw is composed of two sliding columns with the same structure. The bottom end of the sliding column is provided with a clamping slope for assisting sliding in. The positioning post slides between the two sliding posts.

In the above description, as a preferred solution, there are two clamping and positioning columns, which are respectively located at the front and rear ends of the inner bottom surface of the second horizontal chute.

In the above description, as a preferred solution, more than two vertical grooves are provided on the front side or the rear side of the tray, and buffer tubes are paired and installed in the vertical grooves, and one side of the buffer tube protrudes outward At the opening of the vertical groove, the buffer tube is used to prevent hard collision between two adjacent pallets.

The beneficial effects produced by the utility model are as follows:

1) The lifting component is used to press the pallet to precisely position the pallet. The lifting component includes a lifting main board, a horizontal guide rail and several positioning plates. The front end of the positioning plate is provided with a positioning claw extending downward, which is used for pairing and pressing Tighten the clamping positioning column of the tray. During the working process, when the lifting main board is lowered, the positioning claws are paired with the clamping positioning post of the pressing tray, so as to accurately position the tray. When the lifting main board rises, the positioning claw releases the positioning post , so that the pallet can be moved to the next process through the traction component of the intelligent assembly platform, and after moving to the next process, the lifting main board is driven down by the external transmission mechanism to compress the pallet, ensuring that the processing or assembly process of the intelligent assembly platform , the workpiece is assembled after the pallet is compressed to ensure the accuracy of workpiece positioning, thereby ensuring the accuracy of workpiece assembly;

2) Driven by the cam transmission assembly, the cam transmission assembly is driven by the external drive mechanism to tilt up and down. When the cam transmission assembly tilts up, it drives the follower support plate, thereby driving the lifting assembly to move. The whole process is controlled by the cam transmission assembly. Drive to realize synchronous action, simple structure, simple driving method, no need to use any electronic control components, no need to connect any complicated lines, low manufacturing cost, high precision and small structure, and the cam drive structure will not produce too much Large inertia, even in the high-speed running state, can still guarantee the accuracy, especially suitable for automatic processing or assembly that requires high precision.

Description of drawings

Fig. 1 is the partial structure exploded schematic diagram of the utility model embodiment;

Fig. 2 is the schematic diagram of the three-dimensional structure of the tray in the embodiment of the utility model;

Fig. 3 is a schematic diagram of the three-dimensional structure of the lifting assembly in the embodiment of the present invention;

Fig. 4 is a schematic exploded view of the structure of the cam transmission assembly in the embodiment of the present invention;

In the figure, 1 is the transmission base, 2 is the lifting component, 3 is the tray, 4 is the first horizontal chute, 5 is the second horizontal chute, 6 is the clamping positioning column, 7 is the buffer tube, 8 is the lifting main board, 9 is a horizontal guide rail, 10 is a positioning plate, 11 is a positioning claw, 12 is a follower support plate, 13 is a rolling surface, 14 is a cam transmission assembly, 1401 is a gear seat, 1402 is a gear shaft, 1403 is a cam, 1404 is a Rocking bar, 1405 is roller.

detailed description

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

In this embodiment, referring to Fig. 1 to Fig. 4, the intelligent and precise pallet positioning mechanism implemented in it includes the transmission base 1 and the lifting assembly 2. As shown in Fig. 4, the cam transmission assembly 14 includes a gear seat 1401, a gear shaft 1402, a cam 1403 and rocker 1404, the gear shaft 1402 meshes with the external driving mechanism, the external driving mechanism drives the gear shaft 1402 to rotate, the cam 1403 and the gear shaft 1402 are connected, and the cam 1403 and the gear shaft 1402 are installed on the gear seat 1401 The rear end, the middle part of the rocking rod 1404 is rotatably installed on the front end of the gear seat 1401, the rear end of the rocking rod 1404 is in contact with the cam 1403, driven by the cam 1403, the front end of the rocking rod 1404 is provided with a roller 1405, and the top of the transmission base 1 Horizontal slide rails are provided, and a tray 3 that can slide horizontally along the horizontal slide rails is provided on the horizontal slide rails. As shown in Figure 2, the left side of the tray 3 is provided with a first horizontal chute 4, and the right There is a second horizontal chute 5 on the side, the first horizontal chute 4 and the second horizontal chute 5 are used to match and snap into the horizontal slide rail, and the inner bottom surface of the second horizontal chute 5 is provided with a clamping positioning column 6 , There are two clamping and positioning columns 6, which are respectively located at the front and rear ends of the inner bottom surface of the second horizontal chute 5. The front side or rear side of the tray 3 is provided with more than two vertical grooves, and a buffer tube 7 is installed in the vertical groove, and one side of the buffer tube 7 protrudes outward from the opening of the vertical groove. The buffer tube 7 is used to prevent hard collision between two adjacent trays 3 .

The lifting assembly 2 is arranged on the right side of the transmission base 1. The lifting assembly 2 includes a lifting main board 8, a horizontal guide rail 9 and several positioning plates 10. The horizontal guide rail 9 is horizontally installed on the top of the lifting main board 8, and several positioning plates 10 are neatly arranged and fixed. On the top of the lifting main board 8, the front end of the positioning plate 10 is provided with a positioning claw 11 extending downward. The positioning claw 11 extends into the second horizontal chute 5 and is located above the clamping positioning column 6. The positioning claw 11 is used for Pair the clamping positioning column 6 of the pressing tray 3, the left side of the lifting main board 8 and the right side of the transmission base 1 are connected through a vertical guide rail, and the right side of the lifting main board 8 is provided with a follower supporting plate 12 , the follower pallet is in contact with the cam transmission assembly 14, and the cam transmission assembly 14 is driven by an external drive mechanism to move up and down. surface 13, the roller 1405 can roll along the rolling surface 13, when the gear shaft 1402 rotates, it drives the cam to rotate, the rear end of the rocker 1404 is driven by the cam to swing, and at the same time, the front end of the rocker 1404 tilts up and down, thereby driving the follow-up The device supporting plate carries out the lifting movement, so that the lifting main board 8 can be lifted up and down along the vertical guide rail as a whole.

In addition, the clamping positioning column 6 is horizontally arranged in the second horizontal chute 5, the clamping positioning column 6 is a cylinder, and the top of the clamping positioning column 6 is a protrusion that facilitates the pairing and sliding of the positioning claws 11 for clamping and positioning On the arc surface, the positioning claw 11 is composed of two sliding columns with the same structure. The bottom end of the sliding column is provided with a clamping inclined surface for assisting sliding in. Slide between the two struts.

During the working process, when the lifting main board 8 is lowered, the positioning claw 11 is paired with the clamping positioning column 6 of the pressing tray 3, so as to accurately position the tray 3, and when the lifting main board 8 is rising, the positioning claw 11 releases the positioning column, Therefore, the traction component of the intelligent assembly platform can drive the pallet 3 to move to the next process, and after moving to the next process, the external transmission mechanism drives the lifting main board 8 to descend to compress the pallet 3, ensuring the processing or assembly on the intelligent assembly platform During the process, the workpiece is assembled after the pallet 3 is pressed tightly, so as to ensure the accuracy of the positioning of the workpiece, thereby ensuring the accuracy of the assembly of the workpiece.

The above content is a further detailed description of the utility model in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the utility model is limited to these descriptions. For those of ordinary skill in the technical field to which the utility model belongs, on the premise of not departing from the concept of the utility model, some simple deduction or replacement can also be made, which should be regarded as the protection scope of the utility model.

Claims (4)

1. the tray positioning mechanism of intelligent accurate, including transmission base, cam drive component and lifting assembly, it is characterised in that： Cam drive component includes pinion stand, gear shaft, cam and rocking bar, and gear shaft is engaged with external drive mechanism, by external Drive mechanism band movable gear shaft is rotated, and cam is attached with gear shaft, and cam is installed in the rear end of pinion stand with gear shaft, The front end of pinion stand, the rear end of rocking bar and cam contact are installed in rotation in the middle part of rocking bar, before cam driven, rocking bar End is provided with roller;The top for transmitting base is provided with horizontal slide rail, and is provided with horizontal slide rail and can carry out level along horizontal slide rail The pallet of slip, the left side of pallet is provided with first level chute, and the right side of pallet is provided with the second horizontal concrete chute, first level chute Pairing is used to the second horizontal concrete chute to be caught in horizontal slide rail, and clamping and positioning post is provided with the inner bottom surface of the second horizontal concrete chute, Lifting assembly is arranged at the right side of transmission base, and lifting assembly includes lifting mainboard, horizontal guide rail and some pieces of location-plates, level Guide rail is horizontally installed in the top of lifting mainboard, and some pieces of location-plate proper alignments are fixed on the top of lifting mainboard, location-plate Front end be provided with the locating detent that extends downwardly, locating detent is extended into the second horizontal concrete chute, and positioned at the upper of clamping and positioning post Side, locating detent is used to match the clamping and positioning post for compressing pallet, between the left surface of lifting mainboard and the right flank for transmitting base It is attached by upright guide rail, the right side of lifting mainboard is provided with follower supporting plate, and follower supporting plate enters with cam drive component Row contact, cam drive component drives tilting above and below progress by external drive mechanism, and the bottom of follower supporting plate is provided with prolongs backward Stretch and the rolling surface for being contacted with roller, roller can be rolled along rolling surface, and cam rotation is driven when gear shaft is rotated, The rear end of rocking bar is swung by cam driven, while tilting above and below the front end progress of rocking bar, so as to drive follower supporting plate to enter Row elevating movement, makes lifting mainboard integrally can carry out oscilaltion along upright guide rail, when lifting mainboard decline, locating detent pairing The clamping and positioning post of pallet is compressed, so as to carry out precise positioning to pallet, when lifting mainboard rising, locating detent then decontrols positioning Post.

2. the tray positioning mechanism of intelligent accurate according to claim 1, it is characterised in that：The clamping and positioning post is laterally set Be placed in the second horizontal concrete chute, clamping and positioning post is cylinder, the top of clamping and positioning post for ease of locating detent pairing slip into from And the raised cambered surface of positioning is clamped, locating detent is made up of two root architecture identical travellers, and the bottom of traveller is provided with for auxiliary Help the clamping inclined-plane slipped into, clamp inclined-plane matched with raised cambered surface contact after be easy to make clamping and positioning post slip into two travellers it Between.

3. the tray positioning mechanism of intelligent accurate according to claim 1, it is characterised in that：The clamping and positioning post is provided with altogether Two, respectively positioned at the rear and front end of the second horizontal concrete chute inner bottom surface.

4. the tray positioning mechanism of intelligent accurate according to claims 1 to 3 any one, it is characterised in that：The pallet Leading flank or trailing flank be provided with more than two vertical grooves, and mounted in pairing mode has separator tube in vertical groove, buffering The one side of pipe protrudes from the opening of vertical groove outward, and separator tube is used to prevent two neighboring pallet from hard collision occur.