CN211945024U

CN211945024U - Reciprocating vibration feeder

Info

Publication number: CN211945024U
Application number: CN202020393053.5U
Authority: CN
Inventors: 胡文辉
Original assignee: Skye Precision Machinery Dongguan Co ltd
Current assignee: Skye Precision Machinery Dongguan Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-17
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a reciprocating type vibration feeder is by vibrating body, reciprocating type feeding box, pay-off selection track group one-tenth, and reciprocating type feeding box is driven by vibrating body and realizes coming and going two directions pay-off simultaneously, and reciprocating type feeding box is carried the product by low to high and finally is sent to pay-off selection track, at pay-off selection track, the product highly rejects, the width is rejected, reverse rejection and the double-deck selection of rejecting, and final output satisfies that the regulation size, the direction is correct, the individual layer product, and one row, continuous, orderly the seeing off are arranged to these products. The feeding sorting track is composed of a front section, a middle section and a rear section, the front section is provided with a quick-change trough, the middle section is provided with a quick-change sorting track, the rear section is provided with a quick-change linear track, the three sections can be quickly changed to adapt to conveying products of different sizes, the practicability is high, the effect of one machine with multiple purposes is achieved, the equipment purchasing cost is greatly reduced, and the occupied space is reduced.

Description

Reciprocating vibration feeder

Technical Field

The utility model belongs to the technical field of precision machinery equipment and specifically relates to indicate one kind can a tractor serves several products and divides to elect the reciprocating type vibration feeder of the ejection of compact is arranged to correct gesture product.

Background

The reciprocating type vibration feeder is a feeding device, and can orderly arrange and convey disordered part products to the next procedure.

The fitting shown in figure 8, which is an important component in an electric motor, is hollow cylindrical with a toothed portion at one end. Because the length, width and height of the hardware are different and the hardware is installed in a positive and negative direction, the traditional feeder cannot automatically feed the hardware in a specific direction. The traditional feeder is directly adopted, and once the hardware is fed out, the direction is wrong, the size is not consistent, the stacking is wrong, the product is inverted, the product is scrapped, and the yield is low.

In addition, each of the traditional feeders is designed for a product with a specific size, and can only convey one type of product for a lifetime, so that the feeder is very single. If the products with larger sizes need to be conveyed, the products are blocked in the material channel and cannot be conveyed out, and the products with smaller sizes cannot be conveyed to complete the sorting function.

Accordingly, there is a need for those skilled in the art to address the deficiencies of conventional devices.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to the deficiency of the prior art, and the main objective thereof is to provide a reciprocating vibration feeder, which has a sorting function and can be quickly replaced to meet different product sizes, thereby overcoming the deficiencies of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a reciprocating vibration feeder comprises

The vibration body is vibrated in two directions back and forth by a linear vibrator and a vibration controller;

the reciprocating feeding box is connected with the vibrating body through the spring piece jig and comprises a first conveying track from a low point to a middle point and a second conveying track from the middle point to a high point, and a rotary feeding structure is formed by the first conveying track and the second conveying track and conveys products from low to high;

a pay-off selection track is divided into preceding, middle and back three-section that end to end in proper order: the front section is provided with a quick-change trough which is arranged on the reciprocating feeding box through a trough fixture fixing plate, and a quick-change material selecting plate is arranged at the downstream position of the quick-change trough;

a quick-change material selecting track is arranged in the middle section, the quick-change material selecting track is mounted on the reciprocating feeding box through a track fixing plate, and a quick-change material reversing correcting block, a quick-change material limiting block and a double-layer material discharging block are mounted on the quick-change material selecting track;

the rear section is provided with a quick-change linear rail which can be quickly and quickly installed at the rear section of the rail fixing plate; the front, middle and rear assemblies of the feeding sorting track are positioned in a pin mode and fixed by screws to realize quick change.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, because the utility model discloses a reciprocating type vibration feeder is by vibrating the body, reciprocating type material loading box, pay-off selection track are constituteed, reciprocating type material loading box is driven by vibrating the body and realize coming and going two directions pay-off simultaneously, reciprocating type material loading box is carried the product by low to high and is finally sent to pay-off selection track, at pay-off selection track, the product highly rejects, the width is rejected, reverse rejection and double-deck rejection selection, and final output satisfies that the regulation size, the direction is correct, individual layer product, and these products are arranged into one row, continuous, neat and send out. The feeding sorting track is composed of a front section, a middle section and a rear section, the front section is provided with a quick-change trough, the middle section is provided with a quick-change sorting track, the rear section is provided with a quick-change linear track, the three sections can be quickly changed to adapt to conveying products of different sizes, the practicability is high, the effect of one machine with multiple purposes is achieved, the equipment purchasing cost is greatly reduced, and the occupied space is reduced. Especially, the utility model discloses the quick replacement mode is fixed a position with the pin, and reuse screw fixation. The pin is firstly used for positioning, the positioning is fast, manual calibration and fine adjustment are not needed, and the pin is aligned at one time, so that the accuracy of the mounting position is improved, the calibration time is saved, and convenience is brought to work. Finally, the operation is easy because the screw is used for fixing.

In a word, the utility model discloses a feeder can be according to product model quick replacement choice tool module when multiple model needs use on same platform machine not of uniform size, often replaces artificial smart machine in as the production process.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a perspective view of a reciprocating vibration feeder according to an embodiment of the present invention.

Fig. 2 is a rear view of fig. 1.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a first exploded view of the reciprocating vibration feeder according to the embodiment of the present invention.

Fig. 5 is a further exploded view of the feed sorting track of fig. 4.

Fig. 6 is another perspective view of fig. 5.

Fig. 7 is an enlarged view of a reciprocating vibration feeder according to an embodiment of the present invention.

Fig. 8 is a schematic view of a loaded product according to an embodiment of the present invention.

The attached drawings indicate the following:

10. vibrating body 11 and vibrating body bottom plate

12. Linear vibrator 13, vibration controller

14. Spring piece jig 20 and reciprocating feeding box

21. First conveying rail 22 and second conveying rail

211. Delivery outlet 30 of second conveying track and feeding sorting track

31. Front section 311 and quick-change trough

3111. Front stop 3112, side shield

3113. Circular arc runner 3114, link up fishplate bar

3115. First pin hole 3116 and second pin

312. Trough jig fixing plate 3121 and trough jig fixing plate fixing screw

3122. First pin 313 and quick-change material selecting plate

3131. Second pin hole 3132, flitch fixing screw

32. Middle section 321, quick-change material selecting track

3211. Third pin hole 3212, quick-change material selecting rail fixing screw

3213. Oblique dog 3214, oblique upslope

3215. Slope 3216, inclined downward slope

322. Track fixing plate 3221 and track fixing plate fixing screw

3222. Third pin 3223 and sixth pin

323. Quick-change reverse material correction block 3231 and fifth pin

3232. Quick-change reverse material correcting block fixing screw 3233 and sorting teeth

324. Quick-change material limiting block 3241 and fourth pin

3242. Quick-change limit block fixing screw 325 and double-layer discharging block

33. Rear section 331, quick change linear rail

3311. Sixth pin hole 3312, guide rail

3313. Quick-change guide rail side pressing plate 3314 and guide rail upper pressing strip fixing support

3315. Upper press plate 3316, seventh pin

3317. And (5) quickly replacing the linear track fixing screw.

Detailed Description

Referring to fig. 1 to 8, a specific structure of a reciprocating vibration feeder according to a preferred embodiment of the present invention is shown, which includes a vibration body 10, a reciprocating feeding box 20 and a feeding sorting track 30. The vibration body 10 provides a seismic source, products are placed in the reciprocating feeding box 20, the reciprocating feeding box 20 is driven by the vibration body 10, and the products are conveyed from low to high and finally sent out through a material sorting track.

The vibration body 10 is installed on a bottom plate 11 of the vibration body, and the vibration body 10 is vibrated in two directions back and forth by a linear vibrator 12 and a vibration controller 13. The reciprocating feeding box 20 is connected with the vibrating body 10 through a spring piece jig 14. The reciprocating feeding box 20 is divided into two parts, including a first conveying rail 21 from a low point to a middle point and a second conveying rail 22 from the middle point to the high point, and a rotary feeding structure is formed by the first conveying rail 21 and the second conveying rail 22 and conveys products from low to high. Since the first conveying rail 21 and the second conveying rail 22 are bent back and forth, not in a spiral shape, space is further saved.

The feeding sorting track 30 is divided into a front section, a middle section and a rear section which are sequentially connected end to end.

The front section 31 has a quick-change trough 311, which is connected to the output port 211 of the second conveying rail, so that the product on the second conveying rail 22 can be smoothly turned and sent to the quick-change material selecting rail 321. Besides, an air blowing device (not shown) can be arranged on the quick-change trough 311, and when the sensor senses that the feeding sorting track 30 is full of materials, the air blowing device blows air to blow the products in the quick-change trough 311 back to the reciprocating feeding box 20. The quick-change trough 311 is mounted on the reciprocating feeding box 20 through the trough fixture fixing plate 312, and after the trough fixture fixing plate 312 is detached, the quick-change trough 311 can be integrally replaced to adapt to products with other sizes. And a quick-change material selecting plate 313 is installed at the downstream position of the quick-change trough 311, and the quick-change material selecting plate 313 is used for removing products which do not conform to the size through height selection, so that the products with too low height and too high height cannot flow into the quick-change material selecting track 321.

The middle section 32 is provided with a quick-change material selecting track 321 which is used for receiving the products conveyed by the quick-change material groove 311 and eliminating the products in the next step, wherein the width elimination comprises: rejecting the product which does not conform to the specific width (diameter) of the product; reverse elimination: rejecting the products which do not accord with the placing direction of the products; ③ overlapping and removing: when two products are overlapped and conveyed together, redundant products above the products are removed, and only single-layer products are allowed to be output. The quick-change material selecting track 321 has the following structure and installation mode: the quick-change material selecting track 321 is mounted on the reciprocating material feeding box 20 through a track fixing plate 322, and a quick-change material returning correcting block 323, a quick-change material limiting block 324 and a double-layer material discharging block 325 are mounted on the quick-change material selecting track 321.

The rear section 33 has a quick-change linear track 331, the quick-change linear track 331 serving to cause the products to be slowly and sequentially discharged in a row along a straight line. The quick-change linear rail 331 is quick-change mounted at the rear position of the rail fixing plate 322.

The utility model discloses in, this kind of mode that can the quick change makes the utility model discloses a feeder can quick adaptation unidimensional product, compares with conventional equipment, and every all is designed for specific size's product of traditional feeder, and the product of a model can only be carried throughout the life, and is very single. If a product with a larger size needs to be conveyed, the jamming cannot be sent out, and the sorting function cannot be completed when the product with a smaller size is conveyed. The utility model discloses a reciprocating feeder, because the preceding, well, back three-section of pay-off selection track 30 all can quick replacement, can not unidimensional product of adaptation carry after the change, the practicality is strong, plays the effect of a tractor serves several purposes, greatly reduced equipment purchasing cost.

The front, middle and rear assemblies of the feeding sorting track 30 are positioned in a pin mode and fixed by screws to realize quick change. The pin is firstly used for positioning, the positioning is fast, manual calibration and fine adjustment are not needed, and the pin is aligned at one time, so that the accuracy of the mounting position is improved, the calibration time is saved, and convenience is brought to work. Finally, the operation is easy because the screw is used for fixing.

More specifically, as shown in fig. 5, the quick-change trough 311 is composed of a front block 3111 at the front end, a side block 3112 at the outer side, a circular-arc-shaped flow channel 3113 at the bottom, and an inner connecting plate 3114, and the top plate of the connecting plate 3114 is connected to the outlet of the second conveying track 22. The front block 3111 serves to guide the product into the circular arc shaped channel 3113, and the circular arc shaped channel 3113 is exactly matched with the cylinder of the product, so that the product tends to lie in the circular arc shaped channel 3113 rather than to stand upright. Side shield 3112 can prevent that the product from dropping from the outside when turning and carrying, links up fishplate bar 3114 not only plays and puts up when the product is carried on quick change silo 311 and the second carries the gap of send out the mouth, prevents the effect of product card on the gap, fixes a position and fix when still being used for the quick change.

The mounting structure of the quick-change trough 311 is as follows: the trough jig fixing plate 312 is mounted on the side surface of the first conveying rail 21 by a trough jig fixing plate fixing screw 3121; be equipped with first pin 3122 on silo tool fixed plate 312, there is corresponding first pinhole 3115 on the bottom curb plate of joint plate 3114, this first pinhole 3115 can form quick location with first pin 3122, fixes by silo fixed screw again. A second pin 3116 is disposed on a bottom side plate of the connecting plate 3114, a corresponding second pin hole 3131 is disposed on the corresponding quick-change material selector 313, and the second pin hole 3131 and the second pin 3116 can be quickly positioned and then fixed by a material selector fixing screw 3132, so that the quick-change material selector 313 is suspended below the circular flow channel 3113. Therefore, when the trough jig fixing plate 312 is detached, the whole quick-change trough 311 can be replaced, including the quick-change material selecting plate 313, and the quick-change material selecting plate is detached together. Only the quick-change trough 311 and the quick-change material selecting plate 313 can be replaced independently. The quick-change trough 311 is assembled and disassembled by positioning and fixing the first pin 3122 and the trough fixing screw, and the quick-change material selecting plate 313 is assembled and disassembled by positioning and fixing the second pin 3116 and the material selecting plate fixing screw 3132.

As shown in fig. 5 and 6, the rail fixing plate 322 is mounted on the side surface of the first conveying rail 21 by a rail fixing plate fixing screw 3221; a third pin 3222 is arranged on the rail fixing plate 322, a corresponding third pin hole 3211 is arranged on the quick-change material selecting rail 321, and the third pin hole 3211 can form quick positioning, and then are fixed by a quick-change material selecting rail fixing screw 3212. Thus, the middle and rear sections 33 of the entire feed sorting track 30 can be replaced by removing the track fixing plate 322. Of course, the quick-change material selecting rail 321, the quick-change material reversing correction block 323, the quick-change material limiting block 324 and the double-layer material discharging block 325 can be replaced separately. The quick-change material limiting block 324 is positioned with the quick-change material selecting track 321 by a fourth pin 3241 and then fixed by a quick-change material limiting block fixing screw 3242. The quick-change material returning correction block 323 is positioned with the quick-change material selecting track 321 through a fifth pin 3231 and then fixed by a quick-change material returning correction block fixing screw 3232. Therefore, the quick replacement of the quick-change material selecting track 321 is realized by the third pin 3222 and the quick-change material selecting track fixing screw 3212; the quick change of the quick change material limiting block 324 is realized by a fourth pin 3241 and a quick change material limiting block fixing screw 3242; the quick replacement of the quick-change material reversing correction block 323 is realized by a fifth pin 3231 and a quick-change material reversing correction block fixing screw 3232.

Structurally, the quick-change material selecting rail 321 is provided with an inclined block 3213 on the inner side, the quick-change material limiting block 324 is horizontally mounted on an outer side plate of the quick-change material selecting rail 321, at least a part of the quick-change material limiting block 324 extends into the quick-change material selecting rail 321, and a channel formed between the inclined block 3213 and the quick-change material limiting block 324 is used for selecting products with the size and the diameter meeting the specification. Therefore, only the product having a diameter width can pass through the reciprocating type material feeding box 20, and when the diameter width of the product is too large, the product cannot pass through the passage and automatically falls back to the reciprocating type material feeding box 20 after vibration.

A plurality of sorting teeth 3233 are arranged on the quick-change material returning correction block 323, the quick-change material returning correction block 323 is obliquely arranged at the position of a concave notch at the inner side of the quick-change material selecting track 321, and the double-layer discharging block 325 is arranged at the outer side of the quick-change material selecting track 321 and is opposite to the quick-change material returning correction block 323; the bottom of the quick-change material selecting track 321 is convexly provided with an inclined upward slope 3214 for guiding a product, a slope 3215 with a high outer part and a low inner part, and an inclined downward slope 3216, and the quick-change material returning and correcting block 323 is located at the position of the slope 3215. When the product is reversed, the gap on the side product can be embedded into the sizing ruler, so that the product is unbalanced and falls back to the reciprocating feeding box 20, and the return removing effect of the product is achieved. The

slopes

3215 and 3216 have the effects of inclining the product, automatically dropping the product in a weightless state, and preventing the product from dropping when the direction of the product is correct. The double-layer discharging block 325 is at a position close to the inclined downward slope 3216, and when products are overlapped together, the double-layer discharging block 325 is removed, so that only a single layer is output.

As shown in fig. 5 and 6, a sixth pin 3223 is disposed at a rear position of the rail fixing plate 322, a corresponding sixth pin hole 3311 is disposed on the quick-change linear rail 331, and the sixth pin 3223 is inserted into the sixth pin hole 3311 to be positioned, and then fixed by a quick-change linear rail fixing screw 3317. Therefore, the replacement of the quick-change linear rail 331 can be implemented by the sixth pin 3223 and the quick-change linear rail fixing screw 3317 to fit different sized products.

In this embodiment, the quick-change linear rail 331 includes a guide rail 3312, a quick-change guide rail side pressure plate 3313, a guide rail upper trim fixing bracket 3314, and an upper pressure plate 3315; the quick-change guide rail side pressure plate 3313 forms a limit with the guide rail 3312 through a seventh pin 3316; the upper press plates 3315 are supported by a plurality of guide rail upper press bar fixing brackets 3314 on the guide rail side press plates 3313 to form a straight rail with upper, lower, left, right height limiting and width limiting functions, so that output products are continuous and orderly.

The utility model discloses a reciprocating type vibration feeder, its theory of operation as follows:

firstly, the product is put in the reciprocating feeding box 20, then the machine is started, the vibrating body 10 drives the reciprocating feeding box 20 to move in a reciprocating mode, and the product is conveyed from the first conveying track 21 to the second conveying track 22 in the reciprocating feeding box 20 to rise in a rotating mode.

Then, the product flows to the feeding and sorting track 30 and passes through the quick-change trough 311 of the front section 31, the quick-change sorting track 321 of the middle section 32 and the quick-change linear track 331 of the rear section 33. Wherein, when the quick change trough 311 is basically horizontal (see fig. 3), the product is conveyed along the surface of the circular arc-shaped flow channel 3113, and when the product reaches the quick change material selecting plate 313, the product is vertically selected from the horizontal type (see fig. 3). The product is then sorted for width by the quick change restrictor 324. When the products are conveyed to the quick-change material selecting track 321, the products are changed from a vertical type to a lateral type (see fig. 3), and under the guidance of the inclined ascending slope 3214 and the inclined slope 3215, the products are inclined, and then the reverse products are removed by the quick-change material returning correction block 323; subsequently, the double-layer discharging block 325 removes the overlapped products, and finally, only the products with the forward direction (the lateral direction in fig. 3 is the reverse direction), the single-layer direction and the length, the width and the height meeting the standard enter the quick-change linear track 331 continuously and orderly. The quick-change linear track 331 is ultimately taken by a robot or other automated pick-off device to the next process.

To sum up, the design of the utility model is characterized in that the reciprocating vibration feeder of the utility model comprises a feeding box, a feeding sorting track 30 and a fixing mode of the feeding sorting track 30, wherein the feeder can realize simultaneous feeding in two directions from low to high by a linear vibrator 12 and a vibration controller 13, the feeding box is finally conveyed to the feeding sorting track 30 from low to high, the feeding sorting track 30 is fixed by a plurality of standard stainless steel track jigs in a pin mode, the track jigs of various products with different sizes can be rapidly and accurately replaced, the reciprocating vibration feeder can be used as a machine for simultaneously using various products and sorting out products with correct postures to arrange and discharge devices, the reciprocating vibration feeder can orderly arrange and convey the mixed and disorderly parts products to the next process, and when various models with different sizes are required to be used on the same machine, can select other tool module according to product model quick replacement, a tractor serves several purposes can reduce the space and occupy, reduce the cost.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a reciprocating type vibration feeder which characterized in that: comprises that

A vibration body (10) which is vibrated in two directions back and forth by a linear vibrator (12) and a vibration controller (13);

the reciprocating feeding box (20) is connected with the vibrating body (10) through a spring piece jig (14), comprises a first conveying track (21) from a low point to a middle point and a second conveying track (22) from the middle point to a high point, and forms a rotary feeding structure by the first conveying track (21) and the second conveying track (22) to convey products from low to high;

a feeding sorting track (30) which is divided into a front section, a middle section and a rear section which are sequentially connected end to end:

the front section (31) is provided with a quick-change trough (311), the quick-change trough (311) is mounted on the reciprocating feeding box (20) through a trough fixture fixing plate (312), and a quick-change material selecting plate (313) is mounted at the downstream position of the quick-change trough (311);

the middle section (32) is provided with a quick-change material selecting track (321), the quick-change material selecting track (321) is installed on the reciprocating feeding box (20) through a track fixing plate (322), and a quick-change material reversing correction block (323), a quick-change material limiting block (324) and a double-layer material discharging block (325) are installed on the quick-change material selecting track (321);

the rear section (33) is provided with a quick-change linear track (331), and the quick-change linear track (331) can be quickly and quickly installed at the rear section position of the track fixing plate (322); the front, middle and rear assemblies of the feeding sorting track (30) are positioned in a pin mode and then fixed by screws to realize quick change.

2. The reciprocating vibration feeder of claim 1, wherein: the quick-change trough (311) is composed of a front stop block (3111) at the front end, a side baffle (3112) at the outer side, a circular-arc-shaped runner (3113) at the bottom and a connecting plate (3114) at the inner side, and a top plate of the connecting plate (3114) is connected with an outlet of the second conveying track (22).

3. The reciprocating vibration feeder of claim 2, wherein: the trough fixture fixing plate (312) is arranged on the side surface of the first conveying rail (21) through a trough fixture fixing plate fixing screw (3121); be equipped with first pin (3122) on silo tool fixed plate (312), there is corresponding first pinhole (3115) on the bottom curb plate of linking up fishplate bar (3114), this first pinhole (3115) can form quick location with first pin (3122), fixes by silo fixed screw again.

4. The reciprocating vibration feeder of claim 3, wherein: and a second pin (3116) is arranged on a bottom side plate of the connecting plate (3114), a corresponding second pin hole (3131) is formed in the corresponding quick-change material selecting plate (313), the second pin hole (3131) and the second pin (3116) can form quick positioning, and then the quick-change material selecting plate is fixed by a material selecting plate fixing screw (3132), so that the quick-change material selecting plate (313) is suspended below the circular arc-shaped flow channel (3113).

5. The reciprocating vibration feeder of claim 1, wherein: the track fixing plate (322) is arranged on the side surface of the first conveying track (21) through a track fixing plate fixing screw (3221); a third pin (3222) is arranged on the track fixing plate (322), a corresponding third pin hole (3211) is formed in the quick-change material selecting track (321), the third pin hole (3211) and the third pin hole (3211) can form quick positioning, and then the quick-change material selecting track is fixed by a quick-change material selecting track fixing screw (3212).

6. The reciprocating vibration feeder of claim 1, wherein: the inner side of the quick-change material selecting track (321) is provided with an inclined stop block (3213), the quick-change material limiting block (324) is horizontally arranged on an outer side plate of the quick-change material selecting track (321), at least part of the quick-change material limiting block (324) extends into the quick-change material selecting track (321), and a channel formed between the inclined stop block (3213) and the quick-change material limiting block (324) is used for selecting products which meet the specification, size and diameter.

7. The reciprocating vibration feeder of claim 1, wherein: a plurality of sorting teeth (3233) are arranged on the quick-change material returning correction block (323), the quick-change material returning correction block (323) is obliquely arranged at the position of a concave notch at the inner side of the quick-change material selecting track (321), and the double-layer material discharging block (325) is arranged at the outer side of the quick-change material selecting track (321) and is opposite to the quick-change material returning correction block (323); the bottom of the quick-change material selecting track (321) is convexly provided with an inclined upward slope (3214) for guiding products, a slope (3215) with high outside and low inside and an inclined downward slope (3216), the quick-change material reversing and correcting block (323) is positioned at the position of the slope, and the double-layer discharging block (325) is positioned at the position close to the inclined downward slope (3216).

8. The reciprocating vibration feeder of claim 1, wherein: the quick-change material limiting block (324) is positioned with the quick-change material selecting track (321) through a fourth pin (3241) and then is fixed by a quick-change material limiting block fixing screw (3242); the quick-change material returning correction block (323) is positioned with the quick-change material selecting track (321) through a fifth pin (3231) and then fixed by a quick-change material returning correction block fixing screw (3232).

9. The reciprocating vibration feeder of claim 1, wherein: a sixth pin (3223) is disposed at a rear section of the rail fixing plate (322), a corresponding sixth pin hole (3311) is disposed on the quick-change linear rail (331), the sixth pin (3223) is inserted into the sixth pin hole (3311) to form a positioning, and then the positioning is fixed by a quick-change linear rail fixing screw (3317).

10. The reciprocating vibration feeder of claim 1, wherein: the quick-change linear rail (331) comprises a guide rail (3312), a quick-change guide rail side pressure plate (3313), a guide rail upper trim strip fixing bracket (3314) and an upper pressure plate (3315); the quick-change guide rail side pressure plate (3313) and the guide rail (3312) form limit through a seventh pin (3316); the upper pressing strips fixing brackets (3314) of the guide rails support the upper pressing plates (3315) on the guide rail side pressing plates (3313) which can be changed quickly to form linear rails with upper, lower, left and right height and width limiting functions.