Positioning and grinding device for screw production

Abstract

The invention provides a positioning and grinding device for screw production, and relates to the field of screw grinding, the positioning and grinding device comprises the following structures: a rack, the middle part of the right side of the rack is fixedly provided with a stepped inclined plane for bearing a screw; reset springs are detachably connected to the front end and the rear end of the left side of the mounting base in a clamped mode, and limiting inclined plates are fixedly arranged at the left ends of the reset springs; a telescopic air cylinder adjusts the working position of a truss on the left side of a rack, a sliding rod slides in the middle of a sliding sleeve, the truss, the sliding rod and a butt joint base are matched to adjust the working position of a mounting base on the right side of the rack, the working distance between a limiting inclined plate and a stepped inclined face is adjusted, and the guiding path of a screw is positioned; the driving motor drives the guiding belt wheel, the tensioning belt wheel and the grinding belt wheel to rotate through the driving belt wheel, driving treatment of the end grinding wheel and the middle grinding wheel is completed, and positioning and grinding treatment of the screws is achieved by matching with positioning and guiding of the limiting inclined plate and the stepped inclined plane to the screws.

Description

Technical Field

[0001] The invention mainly relates to the field of screw grinding, and in particular to a positioning grinding device for screw production. Background Art

[0002] The main goal of screw grinding is to remove surface processing dirt, improve surface finish and improve the corrosion resistance and durability of the screws. If traditional grinding techniques such as sandpaper, polishing wheels and wire brushes are used when screw products are shipped in batches, the operation efficiency is low and the delivery is slow, which makes it difficult to meet customer customization requirements and actual production needs.

[0003] In the process of grinding and cleaning existing screws or bolts and other products, non-standard customization often uses a vibrating feeder and a rotating station to feed a single screw into the grinding station for grinding, which has a low processing efficiency.

[0004] There is a polishing machine (Announcement No.: CN111015486B), and in particular, it relates to a screw nut polishing machine. The technical problem of the present invention is how to provide a screw nut polishing machine that can automatically grind screw nuts and realize mechanical replacement of manual labor. A screw nut polishing machine includes a frame, a first bearing, a second bearing, a third bearing, a first slide bar, a first slider, a second slide bar, a second slider, a U-shaped rack, a servo motor, etc.; the first slide bar and the second slide bar are respectively installed on the upper and lower sides of the U-shaped platform of the frame, the first slider on the first slide bar is connected to the lower side of the U-shaped rack, the second slider on the second slide bar is connected to the upper side of the U-shaped rack, and the servo motor is installed on the U-shaped platform of the frame. The present invention realizes the function of automatically polishing screw nuts through mechanical operation, the polishing operation can be continuously operated, the surface of the polished cap body is smooth, and the staff only needs to load the material onto the groove plate.

[0005] In the above-mentioned prior art, during the operation, when the screw is polished, it is necessary to set a pushing mechanism and a clamping mechanism to cooperate with each other, the number of single processing is limited, and the processing efficiency is still low.

[0006] The inventor proposed a positioning and grinding device for screw production. By setting a stepped slope and a limit slope plate that are adapted to the shape of the screw, the equipment cooperates with a vibrating feeder. The screws are pushed one by one to the grinding station of the offset rack through the feeding of the vibrating feeder for grinding by the end grinding wheel and the middle grinding wheel. The structural design is simple, and the user only needs to adjust the belt tension in time and maintain the telescopic cylinder in the later use, which is convenient for users. Summary of the invention

[0007] 1. Problems to be solved by the invention: The present invention provides a positioning grinding device for screw production, which is used to solve the technical problem of low processing efficiency in the existing screw grinding mentioned in the above background technology.

[0008] 2. Technical solution: In order to achieve the above-mentioned purpose, the technical solution provided by the present invention is: a positioning grinding device for screw production, comprising the following structure: The platform has a stepped inclined surface for supporting screws fixedly arranged in the middle of the right side of the platform.

[0009] The mounting seat has a return spring detachably connected to the front and rear ends of the left side of the mounting seat, and a limiting inclined plate is fixedly arranged at the left end of the return spring, and the left sides of the two limiting inclined plates face the stepped inclined surface.

[0010] The dislocation frame has shaft rods movably connected in pairs at the front, middle and rear parts of the dislocation frame, the tops and bottoms of the shaft rods at the front and rear ends of the dislocation frame are movably connected with end grinding wheels, and the middle part of the shaft rods located in the middle part of the dislocation frame is movably connected with a middle grinding wheel.

[0011] Furthermore, an isolation plate is detachably connected to the top right side of the stand by bolts, and the bottom surface of the isolation plate covers the stepped slope when viewed from above. An extended material connecting end is fixedly provided at the front end of the stand, and a baffle is detachably connected to the front end of the extended material connecting end by bolts. Sliding sleeves are fixedly provided at the front and rear ends of the top of the stand.

[0012] Furthermore, telescopic cylinders are fixedly provided at the front and rear ends of the platform, and the left output ends of the two telescopic cylinders are respectively fixedly connected to the front and rear ends of the truss, and sliding rods are fixedly provided at the top and front and rear ends of the truss, and the outer sides of the two sliding rods are respectively movably connected to the middle parts of the two sliding sleeves, and the right ends of the two sliding rods are fixedly provided with docking seats, and the bottom of the docking seats is fixedly connected to the front and rear sides of the top of the mounting seat.

[0013] Furthermore, grinding stations are fixedly arranged at the front, middle and rear of the offset frame, and the front projections of the three grinding stations have overlapping surfaces. The front and rear ends of the offset frame are detachably connected to the front and rear ends of the left side of the mounting seat respectively.

[0014] Furthermore, a driving motor is fixedly provided at the front end of the right side of the offset frame, a driving pulley is fixedly provided at the top output end of the driving motor, and two guide pulleys are symmetrically connected to the left side of the offset frame about the driving motor, and the outer side of the driving pulley is connected to the outer side of the guide pulley through a belt.

[0015] Furthermore, guide seats are welded at the front, middle and rear parts of the right side of the offset frame, the rear end of the guide seat is movably sleeved with an adjusting bolt, the middle part of the guide seat is movably connected with a sliding seat, the rear end of the sliding seat is threadedly connected to the outer side of the adjusting bolt, an auxiliary shaft is fixed in the middle of the sliding seat, the top of the auxiliary shaft is movably connected with a tensioning pulley, and the outer side of the tensioning pulley is connected to the outer side of the driving pulley through a belt drive.

[0016] Furthermore, a grinding pulley is fixedly provided on the top of the shaft, and the outer side of the grinding pulley is transmission-connected to the outer side of the driving pulley via a belt.

[0017] Furthermore, the thickness of the middle grinding wheel is the same as the superimposed thickness of the two end grinding wheels arranged above and below, and the top and bottom of the middle grinding wheel extend to the top and bottom of the middle inner wall of the offset frame respectively.

[0018] 3. Beneficial effects: Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: The present invention provides a positioning and grinding device for screw production, wherein a telescopic cylinder completes the working position adjustment of a truss on the left side of a platform, a sliding rod slides in the middle of a sliding sleeve, and the truss, sliding rod and docking seat cooperate to complete the working position adjustment of a mounting seat on the right side of the platform, complete the working spacing adjustment between a limiting inclined plate and a stepped inclined surface, and position the guide path of the screw. A driving motor drives the rotation of a guide pulley, a tensioning pulley and a grinding pulley through a driving pulley to complete the driving processing of an end grinding wheel and a middle grinding wheel, and cooperates with the limiting inclined plate and the stepped inclined surface to position and guide the screw, thereby realizing the positioning and grinding processing of the screw and improving the processing efficiency.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the mounting seat structure of the present invention in an expanded state; Figure 3 It is a three-dimensional diagram of the telescopic cylinder structure of the present invention; Figure 4 It is a three-dimensional diagram of the staggered frame structure of the present invention; Figure 5 It is a three-dimensional diagram of the limiting inclined plate structure of the present invention; Figure 6 It is a three-dimensional diagram of the limiting inclined plate structure of the present invention; Figure 7 It is a three-dimensional diagram of the staggered frame structure of the present invention.

[0021] Reference numerals: 1-stand; 11-step slope; 12-isolation plate; 13-baffle; 14-sliding sleeve; 2- telescopic cylinder; 21- truss; 22- slide rod; 23- docking seat; 3-mounting seat; 31-reset spring; 32-limiting inclined plate; 4-displacement rack; 41-grinding station; 5-shaft rod; 51-end grinding wheel; 52-middle grinding wheel; 53-grinding pulley; 6-driving motor; 61-driving pulley; 7-guide pulley; 8-guide seat; 81-adjusting bolt; 9-slide seat; 91-auxiliary shaft; 92-tensioning pulley. DETAILED DESCRIPTION

[0022] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element; when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element; the terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items. Example

[0025] Reference Figure 1-7 , a positioning grinding device for screw production, comprising the following structure: The platform 1 has a stepped inclined surface 11 fixedly disposed in the middle of the right side of the platform 1 for supporting screws.

[0026] The mounting seat 3 has a return spring 31 detachably connected to the front and rear ends of the left side of the mounting seat 3 . A limiting inclined plate 32 is fixedly arranged at the left end of the return spring 31 . The left sides of the two limiting inclined plates 32 face the stepped inclined surface 11 .

[0027] The offset frame 4 has shaft rods 5 movably connected in pairs at the front, middle and rear parts of the offset frame 4. The top and bottom of the shaft rods 5 at the front and rear ends of the offset frame 4 are movably connected with end grinding wheels 51, and the middle part of the shaft rod 5 located in the middle part of the offset frame 4 is movably connected with a middle grinding wheel 52.

[0028] In this embodiment, an isolation plate 12 is detachably connected to the top right side of the stand 1 by bolts, and the bottom surface of the isolation plate 12 covers the stepped slope 11 when viewed from above. An extended material connecting end is fixedly provided at the front end of the stand 1, and a baffle 13 is detachably connected to the front end of the extended material connecting end by bolts. Sliding sleeves 14 are fixedly provided at the front and rear ends of the top of the stand 1.

[0029] The isolation plate 12 is provided to prevent the debris generated by the end grinding wheel 51 and the middle grinding wheel 52 from splashing onto the top of the stand 1 during the grinding of the screw, and to prevent the screw from jumping out from between the stepped inclined surface 11 and the limiting inclined plate 32.

[0030] In this embodiment, telescopic cylinders 2 are fixedly provided at the front and rear ends of the platform 1, and the left output ends of the two telescopic cylinders 2 are fixedly connected to the front and rear ends of the truss 21 respectively. Sliding rods 22 are fixedly provided at the top and front and rear ends of the truss 21. The outer sides of the two sliding rods 22 are movably connected to the middle parts of the two sliding sleeves 14 respectively. The right ends of the two sliding rods 22 are fixedly provided with docking seats 23, and the bottom of the docking seats 23 is fixedly connected to the front and rear sides of the top of the mounting seat 3.

[0031] The telescopic cylinder 2 completes the working position adjustment of the truss 21 on the left side of the platform 1, the sliding rod 22 slides in the middle of the sliding sleeve 14, and the truss 21, the sliding rod 22 and the docking seat 23 cooperate to complete the working position adjustment of the mounting seat 3 on the right side of the platform 1, complete the working distance adjustment of the limiting inclined plate 32 and the stepped inclined surface 11, position the guide path of the screw, and adapt to the grinding processing requirements of screws of different specifications. The screw feeding of this equipment can cooperate with the vibrating feeder.

[0032] In this embodiment, grinding stations 41 are fixedly arranged at the front, middle and rear of the offset frame 4. The front projections of the three grinding stations 41 have overlapping surfaces. The front and rear ends of the offset frame 4 are detachably connected to the left front and rear ends of the mounting seat 3 respectively.

[0033] The three grinding stations 41 are designed with overlapping surfaces, and the end grinding wheels 51 and the middle grinding wheels 52 are used to grind the screws to avoid missing the outer side of the screws.

[0034] When the mounting seat 3 moves on the right side of the stand 1 , the offset frame 4 moves along with the mounting seat 3 to complete the working distance adjustment between the end grinding wheel 51 and the middle grinding wheel 52 and the outer screw of the stepped bevel 11 .

[0035] In this embodiment, a driving motor 6 is fixedly provided at the front end of the right side of the offset frame 4, a driving pulley 61 is fixedly provided at the top output end of the driving motor 6, and two guide pulleys 7 are symmetrically connected to the left side of the offset frame 4 about the driving motor 6, and the outer side of the driving pulley 61 is connected to the outer side of the guide pulley 7 through a belt.

[0036] The driving motor 6 drives the guide pulley 7, the tensioning pulley 92 and the grinding pulley 53 to rotate through the driving pulley 61, completes the driving processing of the end grinding wheel 51 and the middle grinding wheel 52, cooperates with the limiting inclined plate 32 and the stepped inclined surface 11 to position and guide the screw, and realizes the positioning and grinding processing of the screw.

[0037] In this embodiment, a guide seat 8 is welded at the front, middle and rear parts of the right side of the offset frame 4, the rear end of the guide seat 8 is movably sleeved with an adjusting bolt 81, the middle part of the guide seat 8 is movably connected with a slide seat 9, the rear end of the slide seat 9 is threadedly connected to the outer side of the adjusting bolt 81, an auxiliary shaft 91 is fixed to the middle part of the slide seat 9, the top of the auxiliary shaft 91 is movably connected with a tensioning pulley 92, and the outer side of the tensioning pulley 92 is connected to the outer side of the driving pulley 61 through a belt drive.

[0038] The guide seat 8 and the adjusting bolt 81 cooperate to complete the working position adjustment of the slide seat 9 outside the guide seat 8, complete the working position adjustment of the tensioning pulley 92, and complete the belt tensioning adjustment outside the driving pulley 61, the guide pulley 7, the tensioning pulley 92 and the grinding pulley 53.

[0039] In this embodiment, a grinding pulley 53 is fixedly provided on the top of the shaft 5 , and the outer side of the grinding pulley 53 is transmission-connected to the outer side of the driving pulley 61 via a belt.

[0040] In this embodiment, the thickness of the middle grinding wheel 52 is the same as the superimposed thickness of the two end grinding wheels 51 arranged above and below, and the top and bottom of the middle grinding wheel 52 extend to the top and bottom of the middle inner wall of the offset frame 4 respectively.

[0041] The size setting of the end grinding wheel 51 and the middle grinding wheel 52 can prevent the end grinding wheel 51 and the middle grinding wheel 52 from being too small, resulting in missing of the grinding area of ​​the screw on the stepped bevel 11.

[0042] In this embodiment: The telescopic cylinder 2 completes the working position adjustment of the truss 21 on the left side of the platform 1, the slide bar 22 slides in the middle of the sliding sleeve 14, and the truss 21, the slide bar 22 and the docking seat 23 cooperate to complete the working position adjustment of the mounting seat 3 on the right side of the platform 1, complete the working distance adjustment between the limiting inclined plate 32 and the stepped inclined surface 11, and position the guide path of the screw. The driving motor 6 drives the guide pulley 7, the tensioning pulley 92 and the grinding pulley 53 to rotate through the driving pulley 61, completes the driving processing of the end grinding wheel 51 and the middle grinding wheel 52, cooperates with the limiting inclined plate 32 and the stepped inclined surface 11 to position and guide the screw, and realizes the positioning and grinding processing of the screw.

[0043] Three of the grinding stations 41 have overlapping surface designs, and the size settings of the end grinding wheels 51 and the middle grinding wheels 52 are to avoid the end grinding wheels 51 and the middle grinding wheels 52 being too small, resulting in missing grinding areas on the stepped bevel 11 of the screw.

[0044] This equipment needs to cooperate with a vibrating feeder to complete the feeding process of screws. The project can also adopt manual screw feeding operations at the extended receiving end according to the amount of processing tasks. The length of the equipment can be increased according to the user's processing needs. At the same time, according to the grinding requirements, the end grinding wheel 51 and the middle grinding wheel 52 can be replaced with polishing wheels for operation, which is convenient for the equipment to be modified and deployed according to the actual use needs of the user. The simplified screw positioning guide mechanism of the stepped bevel 11 and the limiting bevel plate 32 is reasonably designed and easy to use.

[0045] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A positioning grinding device for screw production, characterized in that: Includes the following structure: A stand (1), wherein a stepped inclined surface (11) for supporting screws is fixedly provided at the middle portion of the right side of the stand (1); A mounting seat (3), wherein the left front and rear ends of the mounting seat (3) are detachably connected to a return spring (31), the left end of the return spring (31) is fixedly provided with a limit inclined plate (32), and the left sides of the two limit inclined plates (32) face the stepped inclined surface (11); The dislocation frame (4) is provided with shaft rods (5) movably connected in pairs at the front, middle and rear parts of the dislocation frame (4), the top and bottom parts of the shaft rods (5) located at the front and rear ends of the dislocation frame (4) are movably connected with end grinding wheels (51), and the middle part of the shaft rods (5) located in the middle part of the dislocation frame (4) is movably connected with a middle grinding wheel (52).

2. A positioning grinding device for screw production according to claim 1, characterized in that: The top right side of the stand (1) is detachably connected to an isolation plate (12) via bolts, the bottom surface of the isolation plate (12) covers the stepped slope (11) when viewed from above, the front end of the stand (1) is fixedly provided with an extended material connection end, the front end of the extended material connection end is detachably connected to a baffle (13) via bolts, and the front and rear ends of the top of the stand (1) are fixedly provided with sliding sleeves (14).

3. A positioning grinding device for screw production according to claim 1, characterized in that: The front and rear ends of the platform (1) are fixedly provided with telescopic cylinders (2), the left output ends of the two telescopic cylinders (2) are respectively fixedly connected to the front and rear ends of the truss (21), the top front and rear ends of the truss (21) are fixedly provided with sliding rods (22), the outer sides of the two sliding rods (22) are respectively movably sleeved with the middle parts of the two sliding sleeves (14), the right ends of the two sliding rods (22) are fixedly provided with docking seats (23), and the bottom of the docking seats (23) is fixedly connected to the front and rear sides of the top of the mounting seat (3).

4. A positioning grinding device for screw production according to claim 1, characterized in that: Grinding stations (41) are fixedly arranged at the front, middle and rear of the offset frame (4), and the front projections of the three grinding stations (41) have overlapping surfaces. The front and rear ends of the offset frame (4) are respectively detachably connected to the left front and rear ends of the mounting seat (3).

5. A positioning grinding device for screw production according to claim 1, characterized in that: A driving motor (6) is fixedly provided at the front end of the right side of the dislocation frame (4), a driving pulley (61) is fixedly provided at the top output end of the driving motor (6), two guide pulleys (7) are movably connected to the left side of the dislocation frame (4) in a front-rear symmetrical manner with respect to the driving motor (6), and the outer side of the driving pulley (61) is transmission-connected to the outer side of the guide pulley (7) via a belt.

6. A positioning grinding device for screw production according to claim 1, characterized in that: A guide seat (8) is welded to the front, middle and rear of the right side of the offset frame (4); an adjusting bolt (81) is movably sleeved at the rear end of the guide seat (8); a slide seat (9) is movably connected to the middle of the guide seat (8); a rear end of the slide seat (9) is threadedly connected to the outer side of the adjusting bolt (81); an auxiliary shaft (91) is fixedly arranged in the middle of the slide seat (9); a tensioning pulley (92) is movably connected to the top of the auxiliary shaft (91); and the outer side of the tensioning pulley (92) is connected to the outer side of the driving pulley (61) through a belt transmission.

7. A positioning grinding device for screw production according to claim 1, characterized in that: A grinding pulley (53) is fixedly provided on the top of the shaft (5), and the outer side of the grinding pulley (53) is transmission-connected to the outer side of the driving pulley (61) via a belt.

8. A positioning grinding device for screw production according to claim 1, characterized in that: The thickness of the middle grinding wheel (52) is the same as the superimposed thickness of the two end grinding wheels (51) arranged above and below, and the top and bottom of the middle grinding wheel (52) extend to the top and bottom of the middle inner wall of the offset frame (4) respectively.

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