CN212496839U

CN212496839U - Feeding mechanism of centerless grinding machine

Info

Publication number: CN212496839U
Application number: CN202021316663.1U
Authority: CN
Inventors: 崔京焕; 刘欢; 陈可中
Original assignee: Suzhou Meite Precision Mold Standard Parts Co ltd
Current assignee: Suzhou Meite Precision Mold Standard Parts Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-02-09
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to a feeding mechanism of a centerless grinder, which comprises a placing groove for placing a raw material of a mandril, wherein one side of the placing groove is opened and is fixedly connected with a feeding platform, one side of the placing groove, which is close to the feeding platform, is communicated with the bottom wall of the placing groove and is provided with a jacking groove, and the jacking groove is arranged along the length direction of the mandril; a jacking plate is arranged in the jacking groove along the vertical direction, the bottom end of the jacking plate is connected with a pushing cylinder, and the top surface of the jacking plate is higher than the top surface of the feeding table after a piston rod of the pushing cylinder completely extends out; a stop rod is arranged above the feeding table and on one side close to the placing groove, and a gap between the stop rod and the feeding table is used for the ejector rod to pass through. The utility model discloses the yield effect of improvement product has.

Description

Feeding mechanism of centerless grinding machine

Technical Field

The utility model belongs to the technical field of material feeding unit's technique and specifically relates to a feeding mechanism of centerless grinding machine is related to.

Background

A centerless grinder is a grinder for grinding. The ejector pins of the die are common accessories in the die industry, and the ejector pins of the die are mainly used for ejecting a product out to separate the product from the die during demolding. In the production process of the mold ejector pin, grinding processing needs to be carried out on a centerless grinder, and the ejector pin raw material transported on the centerless grinder is a plurality of smooth ejector pins.

The traditional Chinese patent with application publication number CN110142652A discloses an automatic feeder of a centerless grinder, which comprises a feeder body, wherein a feeding component for placing raw materials, a material pushing component for vertically pushing the raw materials in the feeding component upwards, a lifting component for controlling the material pushing component to lift in the vertical direction, a feeding table for placing the raw materials pushed by the material pushing component and a conveying component for conveying the raw materials into the centerless grinder are arranged on the feeder body, and the material pushing component can push the raw materials upwards onto a conveying belt and then convey the raw materials into the centerless grinder by the conveying belt for grinding.

The above prior art solutions have the following drawbacks: in the process of transporting through the centerless grinder automatic feeder, if ejector rods with different diameters are mixed in the discharging part, the centerless grinder automatic feeder still transports the mixed ejector rods, and the final yield of products is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a centerless grinder's feeding mechanism, it has the advantage that falls the great ejector pin of diameter through the screening and improve the yield of product.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the feeding mechanism of the centerless grinding machine comprises a placing groove for placing a raw material of a push rod, wherein one side of the placing groove is opened and is fixedly connected with a feeding table, one side of the placing groove, which is close to the feeding table, is provided with a jacking groove through the bottom wall of the placing groove, and the jacking groove is arranged along the length direction of the push rod; a jacking plate is arranged in the jacking groove along the vertical direction, the bottom end of the jacking plate is connected with a pushing cylinder, and the top surface of the jacking plate is higher than the top surface of the feeding table after a piston rod of the pushing cylinder completely extends out; a stop rod is arranged above the feeding table and on one side close to the placing groove, and a gap between the stop rod and the feeding table is used for the ejector rod to pass through.

Through adopting above-mentioned technical scheme, setting through shelves pole, can form certain space between shelves pole and material loading platform and supply the ejector pin to pass through, because the top surface that the piston rod at the push cylinder stretches out the back jacking board completely is higher than the top surface of material loading platform, the ejector pin can roll to the material loading bench after the activity upwards under the promotion of jacking board, pass through the in-process in the space between shelves pole and the material loading platform at the ejector pin, can play certain screening effect to the ejector pin that the diameter is not of uniform size, prevent that the great ejector pin of diameter from sneaking into, and then improved the yield of product.

The present invention may be further configured in a preferred embodiment as: a positioning block is arranged at one end of the blocking rod in the length direction and is fixedly connected with the feeding table; the end face, close to the positioning block, of the stop lever is fixedly connected with a lifting block, the lifting block is located above the positioning block, an accommodating groove is formed in the bottom face of the lifting block, and the positioning block is located in the accommodating groove; a threaded hole is formed in the groove bottom of the accommodating groove, the threaded hole extends upwards to penetrate through the lifting block, and a screw is connected with the threaded hole in a threaded manner; the screw is arranged along the vertical direction, and the end face far away from the head is contacted with the positioning block.

Through adopting above-mentioned technical scheme, the locating piece sets up back in the holding tank, can make a grade pole reciprocate along vertical direction through rotatory screw, and then makes the height of a grade pole adjust to be applicable to the ejector pin of different specifications.

The present invention may be further configured in a preferred embodiment as: the side wall of the positioning block is provided with a groove along the vertical direction, the lifting block is fixedly connected with a bulge corresponding to the groove, and the bulge is arranged in the groove in a sliding mode along the vertical direction.

Through adopting above-mentioned technical scheme, protruding slip setting can guarantee that shelves pole more stable moves along vertical direction in the recess.

The present invention may be further configured in a preferred embodiment as: the end face, close to the screw, of the positioning block is provided with a rotating groove, and one end, far away from the head, of the screw is located in the rotating groove.

Through adopting above-mentioned technical scheme, after the rotation groove sets up, the stability of assurance screw when rotatory that can be better.

The present invention may be further configured in a preferred embodiment as: a lifting table is arranged on one side, away from the blocking rod, of the feeding table, and the lifting table is higher than the feeding table; one side of the feeding table, which is close to the lifting table, penetrates through the feeding table along the vertical direction and is provided with a lifting groove, a lifting plate is arranged in the lifting groove along the vertical direction, and the lifting plate is fixedly connected with the jacking plate; and a conveyor belt conveyor is arranged on one side, away from the feeding table, of the lifting table.

Through adopting above-mentioned technical scheme, the ejector pin can place the certain time at the material loading bench after removing to the material loading bench, waits for to lift the board and with the ejector pin lifting, and the ejector pin rolls to the conveyer belt conveyer on transporting by lifting on the board after the lifting, transports on next equipment. During the period of time that the ejector rod stays on the feeding table, the worker can check the ejector rod to prevent defective products from being mixed into the ejector rod and influencing the final yield.

The present invention may be further configured in a preferred embodiment as: and a baffle is arranged on one side of the conveyor belt far away from the feeding table.

Through adopting above-mentioned technical scheme, can prevent that the ejector pin from rolling down after the baffle sets up.

The present invention may be further configured in a preferred embodiment as: the top surfaces of the feeding table, the jacking plate, the lifting table and the lifting plate are all obliquely arranged, and one side, close to the placing groove, of the top surfaces of the feeding table, the jacking plate, the lifting table and the lifting plate is higher.

Through adopting above-mentioned technical scheme, one side that the top surface of material loading platform, jacking board, lifting platform and lifting board is close to the standing groove is higher, can play the help to the roll of ejector pin for the ejector pin is more convenient rolls to the material loading bench from the jacking board, rolls to the lifting bench from the lifting board.

The present invention may be further configured in a preferred embodiment as: a plurality of grooves of stepping down have been seted up to one side that the lifting platform is close to the lifting groove, and is a plurality of the groove of stepping down link up the lifting platform and set up at interval along vertical direction.

Through adopting above-mentioned technical scheme, through the setting of the groove of stepping down, can be more convenient take out current wastrel ejector pin after the discovery has the wastrel.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the placing groove, the feeding table, the jacking groove, the jacking plate, the pushing cylinder and the stop lever, the ejector rods with larger diameters can be prevented from being mixed, and the yield of products is improved;

2. through the setting of locating piece, elevator, holding tank, screw hole and screw, can adjust the height of shelves pole to be applicable to the use of the ejector pin of different specifications.

Drawings

Fig. 1 is a schematic view of the overall structure of a feed mechanism of a centerless grinding machine shown in this embodiment;

fig. 2 is an exploded view of the feed mechanism of the centerless grinder shown in this embodiment;

fig. 3 is a partial exploded view of the feed mechanism of the centerless grinder shown in this embodiment.

In the figure, 1, a groove is placed; 11. jacking a groove; 12. a jacking plate; 13. a discharging port; 14. connecting plates; 15. a push cylinder; 2. a feeding table; 21. a lifting table; 22. a support table; 23. a conveyor belt conveyor; 24. a baffle plate; 25. a lifting groove; 251. lifting the plate; 26. a yielding groove; 27. positioning blocks; 28. a rotating groove; 29. a groove; 3. a gear lever; 31. a lifting block; 32. accommodating grooves; 33. a threaded hole; 34. a screw; 35. and (4) protruding.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

Referring to fig. 1 and 2, for the utility model discloses a feeding mechanism of centerless grinding machine, including the standing groove 1 that is used for placing the ejector pin raw materials, the ejector pin is rectangular shape and the cross-section is circular shape pole promptly. One side opening and open end fixedly connected with material loading platform 2 of standing groove 1, one side that standing groove 1 is close to material loading platform 2 link up the diapire of standing groove 1 and has seted up jacking groove 11, jacking groove 11 extends to the diapire that links up standing groove 1 to the one side that is close to material loading platform 2, jacking groove 11 sets up along the length direction of jacking rod, be provided with jacking board 12 along vertical direction in jacking groove 11, jacking board 12 is close to the lateral wall of material loading platform 2 and contacts with material loading platform 2. The side wall of the placing groove 1 close to the jacking groove 11 is provided with a discharging hole 13, and the ejector rod can be placed in the placing groove 1 through the discharging hole 13.

Referring to fig. 1 and 2, a lifting table 21 is arranged on one side of the loading table 2 away from the placing groove 1, the top surface of the lifting table 21 is higher than that of the loading table 2, and a supporting table 22 is fixedly connected to one side of the lifting table 21 away from the loading table 2. A conveyor belt conveyor 23 is arranged on one side, away from the feeding table 2, of the lifting table 21, the conveyor belt conveyor 23 is arranged on the supporting table 22, and a baffle 24 is arranged on one side, away from the feeding table 2, of the conveyor belt conveyor 23. One side of the feeding table 2 close to the lifting table 21 penetrates through the feeding table 2 along the vertical direction and is provided with a plurality of lifting grooves 25, and the plurality of lifting grooves 25 are distributed at equal intervals. A plurality of yielding grooves 26 are formed in one side, close to the lifting groove 25, of the lifting table 21, the plurality of yielding grooves 26 penetrate through the lifting table 21 in the vertical direction and are arranged at intervals, and the lifting grooves 25 and the yielding grooves 26 are equal in number and are arranged in a one-to-one correspondence mode.

Referring to fig. 2 and 3, a blocking rod 3 is arranged above the feeding table 2 and on one side close to the placing groove 1, and a gap between the blocking rod 3 and the feeding table 2 is used for a mandril to pass through. One end of the gear lever 3 in the length direction is provided with a positioning block 27, and the positioning block 27 is fixedly connected with the feeding table 2. The end surface of the stop lever 3 close to the positioning block 27 is fixedly connected with a lifting block 31, the lifting block 31 is positioned above the positioning block 27, an accommodating groove 32 is formed in the bottom surface of the lifting block 31, and the accommodating groove 32 penetrates through the lifting block 31 along the distribution direction from the feeding table 2 to the lifting table 21. One end of the positioning block 27 is located in the accommodating groove 32, a threaded hole 33 is formed in the groove bottom of the accommodating groove 32, the threaded hole 33 extends upwards to penetrate through the lifting block 31, a screw 34 is connected to the threaded hole 33 in an internal thread mode, the screw 34 is arranged in the vertical direction, and the head of the screw 34 is located outside the threaded hole 33.

Referring to fig. 3, a rotating groove 28 is formed on the top surface of the positioning block 27, one end of the screw 34, which is far away from the head, penetrates through the threaded hole 33 and is located in the rotating groove 28, and the end surface of the screw 34, which is far away from the head, is in contact with the bottom of the rotating groove 28. The positioning block 27 is provided with a groove 29 along the vertical direction on the side wall of one of the inner side walls close to the receiving groove 32, a protrusion 35 corresponding to the groove 29 is fixedly connected to the lifting block 31, and when the screw 34 is rotated, the protrusion 35 is arranged in the groove 29 in a sliding manner along the vertical direction.

Referring to fig. 1 and 2, a connecting plate 14 is fixedly connected to a bottom end of the lifting plate 12, the connecting plate 14 is located on one side of the lifting plate 12 close to the feeding table 2, a lifting plate 251 is vertically arranged in each lifting groove 25, and a bottom surface of each lifting plate 251 is fixedly connected to the connecting plate 14. The top surfaces of the feeding table 2, the lifting plate 12, the lifting table 21 and the lifting plate 251 are all obliquely arranged, and one side, close to the placing groove 1, of the top surfaces of the feeding table 2, the lifting plate 12, the lifting table 21 and the lifting plate 251 is higher.

Referring to fig. 1, the bottom end of the connecting plate 14 is connected with a pushing cylinder 15, after a piston rod of the pushing cylinder 15 completely extends out, the top surface of the lifting plate 12 is higher than the top surface of the loading platform 2, and the top surface of each lifting plate 251 is higher than the top surface of the lifting platform 21; when the piston rod of the pushing cylinder 15 is completely retracted, the higher side of the top surface of the lifting plate 12 is flush with the bottom of the placing groove 1, and the top surface of each lifting plate 251 is lower than the top surface of the loading platform 2.

Referring to fig. 1, shelves pole 3 is located the one side that loading platform 2 is close to standing groove 1, and there is certain distance between the vertical plane that shelves pole 3 is close to the lateral wall place of standing groove 1 and the vertical plane that loading platform 2 is close to the lateral wall place of standing groove 1 to guarantee when jacking board 12 promotes the ejector pin rebound, the ejector pin can roll on the top surface of loading platform 2 from the top surface of jacking board 12, if the space between shelves pole 3 and the loading platform 2 this moment is enough, shelves pole 3 can be passed through by the space between shelves pole 3 and the loading platform 2.

The implementation principle of the above embodiment is as follows:

in the initial state, a plurality of push rods are placed in the placing groove 1, at this time, the piston rod of the pushing cylinder 15 is in a completely retracted state, and one push rod is arranged on the top surface of the jacking plate 12.

When feeding, the piston rod of the pushing cylinder 15 extends out, the ejector rod on the top surface of the jacking plate 12 can move upwards along with the extension of the piston rod of the pushing cylinder 15 until the piston rod of the pushing cylinder 15 extends out completely, and the ejector rod can roll onto the feeding table 2 because the top surface of the jacking plate 12 is arranged obliquely. The stop rod 3 can stop the ejector rod with larger diameter, the piston rod of the pushing cylinder 15 is retracted at the moment, and the ejector rod with larger diameter falls into the placing groove 1 from the feeding table 2; because the feeding table 2 is obliquely arranged, the ejector rods with proper diameters can roll to the upper side of the lifting groove 25, along with the extension of the next pushing cylinder 15, the plurality of lifting plates 251 extend out of the corresponding lifting grooves 25 to jack the ejector rods in the vertical direction until the piston rods of the pushing cylinders 15 completely extend out, and because the top surfaces of the lifting plates 251 and the lifting table 21 are obliquely arranged, the ejector rods can roll to the conveyor belt conveyor 23 and are transported to the next operation device.

If the screw 34 is rotated, the lifting block 31 moves in the vertical direction, so that the gear rod 3 moves in the vertical direction, the distance between the gear rod 3 and the feeding table 2 can be adjusted, and the feeding requirements of ejector rods with different diameters can be met.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a feeding mechanism of centerless grinder which characterized in that: the device comprises a placing groove (1) for placing a push rod raw material, wherein one side of the placing groove (1) is opened and is fixedly connected with a feeding table (2), one side of the placing groove (1) close to the feeding table (2) penetrates through the bottom wall of the placing groove (1) and is provided with a jacking groove (11), and the jacking groove (11) is arranged along the length direction of the push rod; a jacking plate (12) is arranged in the jacking groove (11) along the vertical direction, the bottom end of the jacking plate (12) is connected with a pushing cylinder (15), and the top surface of the jacking plate (12) is higher than the top surface of the feeding table (2) after a piston rod of the pushing cylinder (15) completely extends out; a blocking rod (3) is arranged above the feeding table (2) and on one side close to the placing groove (1), and a gap between the blocking rod (3) and the feeding table (2) is used for the ejector rod to pass through.

2. The feed mechanism of the centerless grinder of claim 1, wherein: a positioning block (27) is arranged at one end of the gear rod (3) in the length direction, and the positioning block (27) is fixedly connected with the feeding table (2); the end face, close to the positioning block (27), of the stop lever (3) is fixedly connected with a lifting block (31), the lifting block (31) is located above the positioning block (27), an accommodating groove (32) is formed in the bottom face of the lifting block (31), and the positioning block (27) is located in the accommodating groove (32); a threaded hole (33) is formed in the bottom of the accommodating groove (32), the threaded hole (33) extends upwards to penetrate through the lifting block (31), and a screw (34) is connected to the threaded hole (33) in an internal thread mode; the screw (34) is arranged along the vertical direction, and the end face far away from the head part is contacted with the positioning block (27).

3. The feed mechanism of the centerless grinder of claim 2, wherein: recess (29) have been seted up along vertical direction on the lateral wall of locating piece (27), fixedly connected with is gone up in elevator (31) with protruding (35) that recess (29) correspond, protruding (35) slide along vertical direction and set up in recess (29).

4. The feed mechanism of the centerless grinder of claim 2, wherein: the end face, close to the screw (34), of the positioning block (27) is provided with a rotating groove (28), and one end, far away from the head, of the screw (34) is located in the rotating groove (28).

5. The feed mechanism of the centerless grinder of claim 1, wherein: a lifting table (21) is arranged on one side, away from the blocking rod (3), of the feeding table (2), and the lifting table (21) is higher than the feeding table (2); one side, close to the lifting table (21), of the feeding table (2) penetrates through the feeding table (2) along the vertical direction and is provided with a lifting groove (25), a lifting plate (251) is arranged in the lifting groove (25) along the vertical direction, and the lifting plate (251) is fixedly connected with the jacking plate (12); and a conveyor belt conveyor (23) is arranged on one side, far away from the feeding table (2), of the lifting table (21).

6. The feed mechanism of the centerless grinder of claim 5, wherein: and a baffle (24) is arranged on one side of the conveyor belt conveyor (23) far away from the feeding table (2).

7. The feed mechanism of the centerless grinder of claim 5, wherein: the top surfaces of the feeding table (2), the jacking plate (12), the lifting table (21) and the lifting plate (251) are all obliquely arranged, and one side, close to the placing groove (1), of the top surfaces of the feeding table (2), the jacking plate (12), the lifting table (21) and the lifting plate (251) is higher.

8. The feed mechanism of the centerless grinder of claim 5, wherein: a plurality of abdicating grooves (26) are opened on one side of the lifting platform (21) close to the lifting groove (25), and the abdicating grooves (26) are arranged at intervals along the vertical direction to penetrate through the lifting platform (21).