WO2019090608A1

WO2019090608A1 - Automatic sandpaper supply device for cnc production line

Info

Publication number: WO2019090608A1
Application number: PCT/CN2017/110217
Authority: WO
Inventors: 吴加富; 汪鹏; 杭玉洁
Original assignee: 苏州富强科技有限公司
Priority date: 2017-11-09
Filing date: 2017-11-09
Publication date: 2019-05-16
Also published as: CN108064196A; CN108064196B

Abstract

An automatic sandpaper supply device for a CNC production line comprises: a support assembly (11) comprising a substrate (112) and a sandpaper take-out driving portion (115); a sandpaper storage assembly (13); and a sandpaper take-out plate (113). The sandpaper storage assembly (13) and the sandpaper take-out plate (113) are provided at the substrate (112). The sandpaper storage assembly (13) comprises a sandpaper storage compartment (131) and a sandpaper pressing block (132). The sandpaper take-out plate (113) is slidably connected to the substrate (112), the sandpaper storage compartment (131) has a first through hole (134) vertically extending therethrough, such that the sandpaper storage compartment (131) has an open upper end and an open lower end. A bottom portion of the sandpaper storage compartment (131) has a second through hole (135) horizontally extending therethrough, such that a left through opening and a right through opening are formed at the bottom portion of the sandpaper storage compartment (131). The sandpaper pressing block (132) is slidably provided in the first through hole (134). The sandpaper take-out plate (113) passes through the second through hole (135). The sandpaper take-out driving portion (115) can drive the sandpaper take-out plate (113) to perform reciprocating sliding movement along the substrate (112). The automatic sandpaper supply device can improve sandpaper supply and replacement efficiency while reducing a probability of sandpaper jamming in a machine, thereby reducing maintenance costs, and increasing productivity.

Description

Sandpaper automatic feeding mechanism for CNC production line

Technical field

The invention relates to the field of CNC production lines, in particular to an automatic sandpaper feeding mechanism for a CNC production line.

Background technique

In the CNC production line, there is usually a CNC grinding machine to polish and polish the finished parts or structural parts to meet the design surface finish requirements. On the existing CNC grinding machine, the sandpaper is soft and difficult. It is difficult to realize the automatic supply of sandpaper in a neat arrangement, and the degree of automation is low. In the grinding process, manual replacement of new sandpaper is required, the supply and replacement efficiency is low, and problems such as frequent downtime caused by the jam of the sandpaper are likely to occur.

In view of this, it is necessary to develop a sandpaper automatic peeling mechanism for the CNC production line to solve the above problems.

Summary of the invention

In view of the deficiencies in the prior art, an object of the present invention is to provide an automatic sandpaper feeding mechanism for a CNC production line, which can reduce the probability of the sandpaper carding machine while improving the sandpaper supply and replacement efficiency, thereby Reduce maintenance costs and increase production efficiency.

In order to achieve the above object and other advantages in accordance with the present invention, an automatic sandpaper feeding mechanism for a CNC production line is provided, comprising:

a bracket assembly including a substrate and a sand driving drive;

a sandpaper storage assembly and a sandpaper take-up plate disposed on the substrate, the sandpaper storage assembly includes a sandpaper storage cylinder and a sandpaper compact.

Wherein, the sandpaper take-up plate is slidably connected to the substrate, and the first through-holes penetrating the upper and lower sides thereof are formed in the sandpaper accommodating cylinder, so that the upper end and the lower end of the sandpaper accommodating cylinder are open, and the bottom of the sandpaper accommodating cylinder is formed with a second through-the-hole through The hole thus forms a left through hole and a right through hole at the bottom of the sandpaper storage tube, the sandpaper pressing block is slidably disposed in the first through hole, the sandpaper take-up plate passes through the second through hole, and the sandpaper take-up plate can be taken The sand driving portion is driven to reciprocate along the substrate.

Preferably, a sandpaper guide plate is disposed above the sandpaper take-up plate in the second through hole, and a sandpaper guide through hole is disposed in the sandpaper guide plate, and the aperture size of the sandpaper guide through hole is the same as the aperture size of the first through hole. The sandpaper guide through hole is concentrically arranged with the first through hole.

Preferably, the upper surface of the sandpaper take-up plate is provided with a sandpaper take-out groove, and the sandpaper take-out groove is located at one end of the sandpaper take-out plate, and the sandpaper take-out groove is selectively and firstly in the process of the sandpaper take-up plate reciprocating along the substrate. The through holes are opposite to each other.

Preferably, a sandpaper partitioning assembly is disposed on the side of the substrate and the sandpaper storage assembly, and the sandpaper partitioning assembly comprises:

Partition bracket

a partition drive disposed on the partition bracket;

a partition plate disposed on the partition bracket,

Wherein, the partition plate can be selectively inserted between the sandpaper guide plate and the sandpaper take-up plate driven by the partition drive.

Preferably, a sandpaper take-out guide is arranged on the substrate, and the sandpaper take-up plate is slidably coupled with the sandpaper take-out guide.

Preferably, the sandpaper partitioning assembly is mounted on the sandpaper take-up rail and the partition is spaced apart from the sandpaper take-up rail by a certain distance.

Preferably, the sandpaper take-out rail is provided with a sandpaper attaching station and a sandpaper blocking station in sequence along the extending direction thereof.

Preferably, the sandpaper take-out groove is alternately moved from the sandpaper attaching station to the sandpaper blocking station during the slipping process of the sandpaper take-up plate, or from the sandpaper partitioning station to the sandpaper attaching station.

Preferably, the depth of the sandpaper take-out groove is greater than the thickness of the single piece of sandpaper and less than the thickness of the two pieces of sandpaper.

Preferably, the sand taking drive unit comprises:

a guiding rod disposed on the substrate, the extending direction of which is consistent with the extending direction of the sandpaper take-out rail;

a first driver that slides over the guide bar,

Wherein, the first driver is connected to the sandpaper take-up plate.

Compared with the prior art, the invention has the following beneficial effects:

1. Since the sandpaper pressing block is slidably disposed in the first through hole, the sandpaper take-up plate passes through the second through hole, and the sandpaper take-up plate can be reciprocally slid along the substrate under the driving of the sand taking driving portion, thereby making the sandpaper The take-up plate can periodically take out the sandpaper from the sandpaper storage tube;

2. Since the sandpaper guiding plate is provided with a sandpaper guiding through hole, the aperture size of the sandpaper guiding through hole is the same as the aperture size of the first through hole, and the sandpaper guiding through hole is concentrically arranged with the first through hole, so that the sandpaper passes through the sandpaper After guiding the guide plate, it can be smoothly introduced into the sandpaper take-out board;

3. Since the upper surface of the sandpaper take-up plate is provided with a sandpaper take-out groove, the sandpaper take-out groove is selectively connected with the first through hole, so that the sandpaper can periodically fall into the sandpaper take-out groove and move along with the sandpaper take-out groove to Sandpaper attached to the workstation;

4. Since the partition plate can be selectively inserted between the sandpaper guide plate and the sandpaper take-up plate driven by the partition drive, the partition plate can be inserted between the sandpaper guide plate and the sandpaper take-out plate after the sandpaper take-up plate takes out a piece of sandpaper, thereby The remaining unfetched sandpaper is blocked to ensure that a single piece of sandpaper is taken out of the sandpaper take-out board, and in addition to meeting the design requirements of the sandpaper supply, the equipment can be effectively prevented from being jammed by the sandpaper;

5. Since the depth of the sandpaper take-out groove is larger than the thickness of the single piece of sandpaper and less than the thickness of the two pieces of sandpaper, the success rate of taking only one piece of sandpaper in a single time is further ensured.

DRAWINGS

1 is a perspective view of a sandpaper automatic feeding mechanism for a CNC production line in a state in which a sandpaper is attached according to the present invention;

2 is a perspective view showing the internal structure of the automatic sandpaper feeding mechanism for the CNC production line in the state in which the sandpaper is attached according to the present invention;

Figure 3 is a front elevational view of the automatic sandpaper feeding mechanism for the CNC production line in the state of sandpaper attachment according to the present invention;

Figure 4 is a plan view of the automatic sandpaper feeding mechanism for the CNC production line in the state of sandpaper attachment according to the present invention;

Figure 5 is a cross-sectional view taken along line A-A of Figure 4;

Figure 6 is a perspective view showing the internal structure of the automatic sandpaper feeding mechanism for the CNC production line in the sandpaper take-out state according to the present invention;

Figure 7 is a sandpaper automatic feeding mechanism for a CNC production line according to the present invention in sandpaper a top view when the state is taken out;

Figure 8 is a cross-sectional view taken along line B-B of Figure 7;

Figure 9 is an exploded view of the automatic sandpaper feeding mechanism for the CNC production line in the state of sandpaper attachment according to the present invention.

Detailed ways

The above and other objects, features, aspects and advantages of the present invention will become more apparent from In the figures, the shapes and dimensions may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to refer to the same or. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the size from top to bottom, "width" corresponds to the size from left to right, and "depth" corresponds to the size from front to back. These relative terms are for convenience of description and are generally not intended to require a particular orientation. Terms relating to attachment, coupling, etc. (eg, "connected" and "attached") refer to a relationship in which the structures are directly or indirectly fixed or attached to each other through an intermediate structure, and a movable or rigid attachment or relationship, unless Other ways are clearly stated.

1 and 2, a sandpaper automatic feeding mechanism 1 for a CNC production line includes a bracket assembly 11 and a sandpaper accommodating assembly 13, wherein the bracket assembly 11 includes a substrate 112 and a sand taking driving portion 115, and the sandpaper housing assembly 13 is disposed at On the substrate 112, in addition to the above, the substrate 112 is further provided with a sandpaper take-out plate 113. The sandpaper storage unit 13 includes a sandpaper storage tube 131 and a sandpaper press block 132. The sandpaper take-up plate 113 is slidably coupled to the substrate 112, and the sandpaper storage tube 131 is inside. The first through hole 134 penetrating the upper and lower sides thereof is formed such that the upper end and the lower end of the sandpaper accommodating cylinder 131 are open, and the bottom of the sandpaper accommodating cylinder 131 is formed with a second through hole 135 penetrating the left and right sides thereof so that the bottom of the sandpaper accommodating cylinder 131 is formed. There are a left through hole and a right through hole, the sandpaper pressing block 132 is slidably disposed in the first through hole 134, the sandpaper take-up plate 113 passes through the second through hole 135, and the sandpaper take-up plate 113 can be in the sand taking driving portion 115. The drive plate reciprocates along the substrate 112, and the through direction of the second through hole 135 coincides with the slip direction of the sandpaper take-up plate 113. Generally, a sandpaper group placed in a stacked manner can be placed in the sandpaper storage cylinder 131. Since the edge of the sandpaper is slightly warped, the sandpaper pressing block 132 can not only flatten the sandpaper. It is also possible to provide a vertical downward thrust to the sandpaper group so that after the bottommost sandpaper is removed, the remaining sandpaper can travel a certain distance down under its own weight and thrust to take the next sandpaper. Be prepared so that the sandpaper take-up plate can periodically and uninterruptedly remove the sandpaper from the sandpaper storage drum. In one embodiment, a briquetting handle 1321 is attached to the top of the sandpaper press block 132. In a preferred embodiment, a plurality of observation windows for observing the remaining amount of sandpaper in the sandpaper storage cylinder 131 are formed on the side wall of the sandpaper storage cylinder 131.

Referring to FIG. 1 , FIG. 2 and FIG. 9 , a sandpaper guide plate 133 is disposed above the sandpaper take-up plate 113 in the second through hole 135 , and a sandpaper guide through hole 1331 is provided in the sandpaper guide plate 133 , and the sandpaper guides the through hole 1331 . The aperture size is the same as the aperture size of the first through hole 134. The sandpaper guide through hole 1331 is disposed concentrically with the first through hole 134, so that the sandpaper in the sandpaper storage cylinder 131 can be smoothly guided after being guided by the sandpaper guide plate 133. Go to the sandpaper take-up plate 113.

Further, a sandpaper take-out groove 1131 is opened on the upper surface of the sandpaper take-up plate 113. The sandpaper take-out groove 1131 is located at one end of the sandpaper take-up plate 113. During the process of the sandpaper take-up plate 113 reciprocating along the substrate 112, the sandpaper take-out groove 1131 Optionally, the first through hole 134 is opposite to the first through hole 134.

Referring to FIGS. 1 to 5, a sandpaper partitioning assembly 14 is disposed on the side of the substrate 112 and on the side of the sandpaper storage unit 13. The sandpaper partitioning assembly 14 includes:

Partition bracket

a partition driver 143 disposed on the partition bracket;

a partition 145 disposed on the partition bracket,

The partition plate 145 can be selectively inserted between the sandpaper guide plate 133 and the sandpaper take-up plate 113 by the partition drive 143, so that when the sandpaper is introduced into the sandpaper take-out groove 1131, the partition plate 145 can take out the sandpaper from the groove 1131. The sandpaper in the sandpaper is separated from the remaining sandpaper on the sandpaper to prevent the sandpaper in the sandpaper take-out groove 1131 from sticking to the remaining sandpaper, and when the sandpaper is to be introduced in the sandpaper take-out groove 1131, the partition plate can be separated from the sandpaper guide plate 133 and the sandpaper. The extraction plates 113 are separated from each other, so that the sandpaper can be smoothly introduced into the sandpaper take-out groove 1131. In one embodiment, the partition bracket includes a left bracket 141 and a right bracket 142. The left bracket 141 is parallel and spaced apart from the right bracket 142. At least two guide posts 144 are disposed between the left bracket 141 and the right bracket 142, and the drive 143 is blocked. The sliding sleeve is sleeved on the guide post 144. In a preferred embodiment, the partition bracket and the partition drive 143 are provided with a shield 146 for the partition 145 to enter and exit.

Further, a sandpaper take-out guide 114 is disposed on the substrate 112, and the sandpaper take-up plate 113 is slidably coupled to the sandpaper take-out rail 114.

Further, the sandpaper partitioning assembly 14 is mounted on the sandpaper take-out rail 114 and the partition 145 is spaced apart from the sandpaper take-up rail 114, thereby saving space and reducing equipment footprint.

Referring to FIGS. 5 to 8, the sandpaper take-out rail 114 is provided with a sandpaper attaching station P1 and a sandpaper blocking station P2 in this order. The sandpaper take-out groove 1131 alternately moves from the sandpaper attaching station P1 to the sandpaper blocking station P2 during the slipping process with the sandpaper take-up plate 113, or moves from the sandpaper partitioning station P2 to the sandpaper attaching station P1, thereby After the sandpaper take-out groove 1131 takes out the sandpaper at the sandpaper partitioning station P2, it moves to the sandpaper attaching station P1 and waits for the sanding head to remove the sandpaper at the sandpaper attaching station P1.

Further, the depth of the sandpaper take-out groove 1131 is greater than the thickness of the single piece of sandpaper and less than the thickness of the two pieces of sandpaper. Since the edge of the sandpaper has a certain degree of warpage, the partition 145 can conveniently take out the sandpaper and other sandpaper in the groove 1131. The sandpaper is separated to further ensure the success rate of taking only one piece of sandpaper in a single pass.

Referring to Figure 8, the sand taking drive unit 115 includes:

a guiding rod 1152 disposed on the substrate 112, the extending direction of which coincides with the extending direction of the sandpaper take-out rail 114;

Sliding the first driver 1151 disposed on the guiding rod 1152,

The first driver 1151 is drivingly coupled to the sandpaper take-up plate 113. In a preferred embodiment, the sand take-up driving portion 115 is covered with a drive portion shield plate 111.

Referring to FIG. 2, FIG. 3, and FIG. 5, a through hole penetrating through the sandpaper take-out plate 113 is opened at the bottom of the sandpaper take-out groove 1131, and a lower portion of the substrate 112 and a sandpaper attaching station P1 are provided for sensing the sandpaper take-out groove 1131. A sandpaper detecting sensor 116 having sandpaper, a position sensor 1121 is provided above the substrate 112, and at a sandpaper attaching station P1, and the position sensor 1121 is located beside the sandpaper removing plate 113.

Referring to Figures 1 and 2, a polishing head positioning assembly 12 is further disposed on the substrate 112. The sanding head positioning assembly 12 includes:

a positioning bottom plate 121 disposed on the substrate 112;

a first positioning block 122, a second positioning block 123, and a third setting disposed at an edge of the positioning bottom plate 121 Bit block 124,

The first positioning block 122, the second positioning block 123, and the third positioning block 124 surround the first positioning channel 125 between the first positioning block 122 and the second positioning block 123 and the second positioning block 123. The second positioning channel 126 between the third positioning block 124, the first positioning channel 125 and the second positioning channel 126 are connected to each other and perpendicular. Since the connection of the sanding head to its driver is an eccentric connection, after positioning through the first positioning channel 125 and the second positioning channel 126, it can accurately attach the sandpaper to the sandpaper attaching station P1.

Working principle: First, the sandpaper take-up plate 113 and the partition plate 145 are located in the state shown in FIG. 6 to FIG. 8. At this time, the sandpaper take-out groove 1131 is located at the sandpaper partitioning station P2, and a piece of sandpaper is dropped from the sandpaper storage cylinder 131. When the sandpaper is taken out of the groove 1131, the partition plate 145 is inserted between the sandpaper guide plate 133 and the sandpaper take-up plate 113, so that the sandpaper in the sandpaper take-out groove 1131 is separated from the rest of the sandpaper and the remaining sandpaper is no longer dropped, and the sandpaper take-up plate 113 is moved toward The sandpaper attaching station P1 moves until the sandpaper take-out slot 1131 moves to the sandpaper attaching station P1, and the sanding head positioned by the sanding head positioning component 12 attaches the sandpaper attached to the sandpaper attaching station P1. The partition plate 145 causes the sandpaper in the sandpaper accommodating cylinder 131 to no longer fall at the sandpaper partitioning station P2 until the sandpaper take-out groove 1131 returns to the sandpaper attaching station P1 again; thus reciprocatingly circulating until the sandpaper in the sandpaper accommodating cylinder 131 After the sandpaper in the sandpaper storage cylinder 131 is completely taken out, the next set of sandpaper sheets can be loaded into the sandpaper storage cylinder 131 as needed.

The number of devices and processing scales described herein are intended to simplify the description of the present invention. Applicability, modifications, and variations of the present invention will be apparent to those skilled in the art.

Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the embodiments, and are fully applicable to various fields suitable for the present invention, and can be easily made by those skilled in the art. The invention is not limited to the specific details and the details shown and described herein, without departing from the scope of the appended claims.

Claims

An automatic sandpaper feeding mechanism (1) for a CNC production line, comprising:

a bracket assembly (11) including a base plate (112) and a sand take-off driving portion (115);

a sandpaper storage unit (13) and a sandpaper take-up board (113) disposed on the substrate (112), the sandpaper storage unit (13) includes a sandpaper storage tube (131) and a sandpaper press block (132),

The sandpaper take-up plate (113) is slidably coupled to the substrate (112), and the sandpaper accommodating cylinder (131) is formed with a first through hole (134) penetrating the upper and lower sides thereof so that the upper end and the lower end of the sandpaper accommodating cylinder (131) are open. The bottom of the sandpaper accommodating cylinder (131) is formed with a second through hole (135) penetrating the left and right sides thereof so that the bottom of the sandpaper accommodating cylinder (131) is formed with a left through hole and a right through opening, and the sandpaper pressing block (132) is slidable. Located in the first through hole (134), the sandpaper take-up plate (113) passes through the second through hole (135), and the sandpaper take-up plate (113) can be driven along the substrate by the sand driving drive unit (115) (112) Reciprocating slip.
A sandpaper automatic feeding mechanism (1) for a CNC production line according to claim 1, wherein a sandpaper guide plate (133) is disposed above the sandpaper take-up plate (113) in the second through hole (135), A sandpaper guide through hole (1331) is disposed in the sandpaper guide plate (133), and the aperture diameter of the sandpaper guide through hole (1331) is the same as the aperture size of the first through hole (134), and the sandpaper guide through hole (1331) and The first through holes (134) are concentrically arranged.
A sandpaper automatic feeding mechanism (1) for a CNC production line according to claim 1, wherein a sandpaper take-out groove (1131) is provided on an upper surface of the sandpaper take-up plate (113), and the sandpaper take-out groove (1131) is located. One end of the sandpaper take-up plate (113) is selectively in contact with the first through hole (134) during the reciprocal sliding of the sandpaper take-up plate (113) along the substrate (112).
A sandpaper automatic feeding mechanism (1) for a CNC production line according to claim 3, wherein a sandpaper partitioning assembly (14) is disposed on the side of the substrate (112) and the sandpaper storage unit (13), the sandpaper The partition assembly (14) includes:

Partition bracket

a partition drive (143) disposed on the partition bracket;

a partition plate (145) disposed on the partition bracket,

Wherein, the partition plate (145) is selectively insertable between the sandpaper guide plate (133) and the sandpaper take-up plate (113) by the partition drive (143).
A sandpaper automatic feeding mechanism (1) for a CNC production line according to claim 4, wherein the substrate (112) is provided with a sandpaper take-out guide (114), a sandpaper take-up plate (113) and a sandpaper take-out guide (114). ) Sliding mating.
A sandpaper automatic feeding mechanism (1) for a CNC production line according to claim 5, wherein the sandpaper partitioning assembly (14) is mounted on the sandpaper take-out rail (114) and the partition plate (145) and the sandpaper take-out guide rail. (114) separated by a certain distance.
A sandpaper automatic feeding mechanism (1) for a CNC production line according to claim 6, wherein the sandpaper take-out guide (114) is provided with a sandpaper attaching station (P1) and a sandpaper partition in this order. Station (P2).
A sandpaper automatic feeding mechanism (1) for a CNC production line according to claim 7, wherein the sandpaper take-out groove (1131) is alternately attached to the sandpaper during the slipping process with the sandpaper take-up plate (113). Position (P1) to the sandpaper separation station (P2), or move from the sandpaper separation station (P2) to the sandpaper attachment station (P1).
A sandpaper automatic feeding mechanism (1) for a CNC production line according to claim 3, wherein the sandpaper take-out groove (1131) has a depth greater than a thickness of the single piece of sandpaper and less than a thickness of the two pieces of sandpaper.
A sandpaper automatic feeding mechanism (1) for a CNC production line according to claim 4, wherein the sand taking driving portion (115) comprises:

a guiding rod (1152) disposed on the substrate (112) extending in a direction consistent with an extending direction of the sandpaper take-out rail (114);

Sliding a first driver (1151) sleeved on the guide bar (1152),

The first driver (1151) is drivingly connected to the sandpaper take-up plate (113).