Face grinding machine tool clamp

Abstract

The utility model discloses a surface grinding machine work fixture which comprises a surface grinding machine work fixture base body, a fixing bottom plate is arranged at the bottom of the surface grinding machine work fixture base body, notches are formed in the middle positions of the two sides of the fixing bottom plate, and mounting holes are formed in the four corners in the fixing bottom plate. A workpiece ejection block is arranged in the center of the surface of the surface grinding machine tool clamp base body. The roller shaft is arranged at the top end of the elastic clamping plate, the sliding performance of the end position can be improved through the roller shaft, the workpiece can be assisted, the workpiece can be taken and placed in a more labor-saving mode, the clamping plate is of an elastic structure, the distance between the two clamping plates can have a certain adjusting space, and the automatic clamping effect is achieved. When workpieces with the same size are placed or taken out, the elastic clamping plates do not need to be clamped or loosened, so that more time is saved, and the workpiece grinding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the relevant field of surface grinders, in particular to a fixture for surface grinders. Background Art

[0002] A surface grinder is a type of grinder that mainly uses a grinding wheel to rotate and grind the workpiece so that it can achieve the required flatness. It can be divided into two types according to the shape of the worktable: a rectangular worktable and a circular worktable. The main parameters of a rectangular worktable surface grinder are the width and length of the worktable, and the main parameter of a circular worktable is the diameter of the worktable surface. According to the type of shaft, it can be divided into horizontal shaft and vertical shaft grinders. A type of grinder that grinds the flat or formed surface of a workpiece. The main types include horizontal shaft rectangular table, horizontal shaft circular table, vertical shaft circular table and various special surface grinders.

[0003] There are still certain deficiencies in the use of surface grinder fixtures in the prior art. When clamping each workpiece, the fixture needs to be clamped, and when the workpiece is taken out, the fixture needs to be loosened. When grinding each workpiece, two steps of tightening and loosening are usually required, which increases the grinding time and reduces work efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a surface grinder fixture to solve the problem proposed in the above background technology that each workpiece needs to be clamped when clamping, and the clamp needs to be loosened when the workpiece is taken out, and when each workpiece is ground, two steps of tightening and loosening are usually required, which increases the grinding time and low work efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a surface grinder fixture, including a surface grinder fixture base body, a fixed base plate is provided at the bottom of the surface grinder fixture base body, slots are provided at the middle positions of both sides of the fixed base plate, mounting holes are provided at the four corners inside the fixed base plate, a workpiece ejection block is provided at the center position of the surface of the surface grinder fixture base body, height adjustment protrusions are provided on the surface of the surface grinder fixture base body on both sides of the workpiece ejection block, movable adjustment plates are provided on both sides above the fixed base plate, an elastic clamping plate is provided above the movable adjustment plate, and a roller shaft is provided inside the elastic clamping plate.

[0006] In a further embodiment, the workpiece ejection block is fixedly connected to the surface grinder fixture seat body via a return spring, and the cross-section of the workpiece ejection block is set to a circular structure.

[0007] In a further embodiment, an ejector pin is provided below the workpiece ejection block, and a threaded connecting rod is provided between the ejector pin and one end of a surface grinder fixture base body, an adjustment crank is provided at the outer end of the threaded connecting rod, an indicator arrow is provided on the surface of one end of the surface grinder fixture base body above the adjustment crank, and the threaded connecting rod and the ejector pin are connected by inlaying.

[0008] In a further embodiment, the height adjustment protrusion is fixedly connected to the surface grinder fixture seat body by means of threads, and the height of the height adjustment protrusion is two-thirds of the height of the workpiece ejection block.

[0009] In a further embodiment, a reinforcing rib is provided on the inner side of the elastic clamp, the roller shaft is fixedly connected to the elastic clamp via a fixed hinge, and a rubber sheath is provided on the outside of the roller shaft.

[0010] In a further embodiment, the two upper ends of the inner side of the movable adjustment plate are fixedly connected to the surface grinder fixture base through fixing springs, the two lower ends of the inner side of the movable adjustment plate are slidably connected to the surface grinder fixture base through positioning rods and positioning ports, and the middle position of the movable adjustment plate is fixedly connected to the surface grinder fixture base through a width adjustment bolt and a fixed threaded port.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, a roller is provided at the top end of the elastic clamping plate, and the roller can increase the sliding property of the end position, play a role of assisting the workpiece, and make the workpiece taking and placing more labor-saving. The clamping plate is set as an elastic structure, so that the distance between the two clamping plates has a certain adjustment space, so as to achieve the effect of automatic clamping. When placing or removing workpieces of the same size, there is no need to clamp or loosen the elastic clamping plate, thereby saving more time and improving the efficiency of workpiece grinding. When taking out the workpiece, it is only necessary to turn the adjusting crank counterclockwise half a circle so that the ejector pin and the workpiece ejection block are embedded, and the workpiece ejection block is ejected upward, thereby ejecting the workpiece upward, so that the workpiece is separated from the elastic clamping plate. The removal method is simple and easier to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of a surface grinder fixture of the utility model;

[0014] Figure 2 It is a schematic diagram of the lifting structure of the workpiece ejection block of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the elastic splint of the utility model;

[0016] Figure 4It is a schematic diagram of the cross-sectional structure of the fixture seat of the surface grinder of the utility model;

[0017] Figure 5 The utility model is a top view of a surface grinder fixture.

[0018] In the figure: 1. Rubber sheath; 2. Roller; 3. Fixed hinge; 4. Elastic splint; 5. Reinforcement rib; 6. Width adjustment bolt; 7. Movable adjustment plate; 8. Fixed base plate; 9. Fixed spring; 10. Notch; 11. Adjustment crank; 12. Surface grinder fixture base; 13. Height adjustment convex point; 14. Workpiece ejection block; 15. Indicator arrow; 16. Positioning rod; 17. Reset spring; 18. Ejector pin; 19. Fixed threaded port; 20. Positioning port; 21. Threaded connecting rod; 22. Mounting hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figure 1-5 The utility model provides an embodiment: a surface grinder fixture, including a surface grinder fixture seat body 12, a fixed base plate 8 is provided at the bottom of the surface grinder fixture seat body 12, notches 10 are provided at the middle positions of both sides of the fixed base plate 8, mounting holes 22 are provided at the four corners of the fixed base plate 8, a workpiece ejection block 14 is provided at the center position of the surface of the surface grinder fixture seat body 12, height adjustment convex points 13 are provided on the surface of the surface grinder fixture seat body 12 on both sides of the workpiece ejection block 14, movable adjustment plates 7 are provided on both sides above the fixed base plate 8, and movable adjustment An elastic clamping plate 4 is provided above the section plate 7, and a roller shaft 2 is provided inside the elastic clamping plate 4; the fixed bottom plate 8 is used to install the surface grinder fixture base 12, the notch 10 is used to save materials, the workpiece ejection block 14 is used to eject the workpiece, the height adjustment protrusion 13 is used to adjust the height of the surface grinder fixture base 12, and workpieces of different thicknesses can be clamped, the movable adjusting plate 7 is used to adjust the position of the movable adjusting plate 7, the elastic clamping plate 4 is used to clamp and fix the workpiece, and the roller shaft 2 is used to increase the sliding property of the top of the elastic clamping plate 4, so as to facilitate the picking and placing of the workpiece.

[0021] The workpiece ejector block 14 is fixedly connected to the surface grinder fixture base body 12 by a reset spring 17, and the cross-section of the workpiece ejector block 14 is set to a circular structure, and the reset spring 17 is used to restore the workpiece ejector block 14 to its original position; an ejector pin 18 is provided below the workpiece ejector block 14, and a threaded connecting rod 21 is provided at one end of the ejector pin 18 and the surface grinder fixture base body 12, and an adjusting crank 11 is provided at the outer end of the threaded connecting rod 21, and an indicating arrow 15 is provided on the surface of one end of the surface grinder fixture base body 12 located above the adjusting crank 11, and the threaded connecting rod 21 is connected to the ejector pin 18 by inlaying, and the ejector pin 18 is used to eject the workpiece ejector block 14, and the threaded connecting rod 21 is used to install and fix the ejector pin 18, and the adjusting crank 11 is used to facilitate the hand-held adjustment of the rotation direction of the ejector pin 18.

[0022] The height adjustment protrusion 13 is fixedly connected to the surface grinder fixture base 12 by threads, and the height of the height adjustment protrusion 13 is two-thirds of the height of the workpiece ejection block 14. The threaded connection method can make the height adjustment protrusion 13 have a better self-locking effect, which is convenient for adjusting the height of the height adjustment protrusion 13.

[0023] A reinforcing rib 5 is provided on the inner side of the elastic splint 4, the roller 2 and the elastic splint 4 are fixedly connected by a fixed hinge 3, and a rubber sheath 1 is provided on the outside of the roller 2. The reinforcing rib 5 is used to increase the strength of the elastic splint 4, and the rubber sheath 1 is used to protect the contact position between the workpiece and the roller 2.

[0024] The two ends above the inner side of the movable adjustment plate 7 are fixedly connected to the surface grinder fixture base 12 by fixing springs 9, the two ends below the inner side of the movable adjustment plate 7 are slidably connected to the surface grinder fixture base 12 by positioning rods 16 and positioning ports 20, and the middle position of the movable adjustment plate 7 is fixedly connected to the surface grinder fixture base 12 by width adjustment bolts 6 and fixed threaded ports 19, the fixing springs 9 are used to connect and fix the movable adjustment plate 7 to the surface grinder fixture base 12, and the positioning rods 16 are used to guide and position the adjusted position of the movable adjustment plate 7.

[0025] Working principle: When in use, the surface grinder fixture base 12 is installed at the desired position on the grinding machine equipment by bolts, and the elastic clamp 4 is adjusted to the desired position by the width adjustment bolt 6, so that the spacing between the elastic clamps 4 on both sides is the same as the size of the workpiece, and then according to the thickness of the workpiece, each height adjustment protrusion 13 is screwed and adjusted to the required height, and the workpiece is clamped and placed above the surface grinder fixture base 12, and the sliding property between the workpiece and the elastic clamp 4 is increased by the roller 2, and the workpiece is quickly clamped inside. After the workpiece grinding is completed, hold the adjustment crank 11 and rotate the threaded connecting rod 21 in the opposite direction to embed the ejector pin 18 with the workpiece ejection block 14, and eject the workpiece ejection block 14 upward, so that the workpiece is raised and separated from the elastic clamp 4, and the workpiece can be taken out.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A surface grinder fixture, comprising a surface grinder fixture seat (12), characterized in that: A fixed base plate (8) is provided at the bottom of the surface grinder fixture seat (12), notches (10) are provided at the middle positions of both sides of the fixed base plate (8), mounting holes (22) are provided at the four corners inside the fixed base plate (8), a workpiece ejection block (14) is provided at the center position of the surface of the surface grinder fixture seat (12), height adjustment protrusions (13) are provided on the surface of the surface grinder fixture seat (12) on both sides of the workpiece ejection block (14), movable adjustment plates (7) are provided on both sides above the fixed base plate (8), an elastic clamping plate (4) is provided above the movable adjustment plate (7), and a roller shaft (2) is provided inside the elastic clamping plate (4).

2. A surface grinder fixture according to claim 1, characterized in that: The workpiece ejection block (14) is fixedly connected to the surface grinder fixture seat (12) via a return spring (17), and the cross section of the workpiece ejection block (14) is set to a circular structure.

3. The surface grinder fixture according to claim 1, characterized in that: An ejector pin (18) is provided below the workpiece ejection block (14), and a threaded connecting rod (21) is provided between the ejector pin (18) and one end of a surface grinder fixture seat body (12), an adjustment crank (11) is provided at the outer end of the threaded connecting rod (21), an indication arrow (15) is provided on the surface of one end of the surface grinder fixture seat body (12) located above the adjustment crank (11), and the threaded connecting rod (21) and the ejector pin (18) are connected by embedding.

4. The surface grinder fixture according to claim 1, characterized in that: The height adjustment protrusion (13) is fixedly connected to the surface grinder fixture seat (12) via threads, and the height of the height adjustment protrusion (13) is two thirds of the height of the workpiece ejection block (14).

5. The surface grinder fixture according to claim 1, characterized in that: A reinforcing rib (5) is provided on the inner side of the elastic clamp (4), the roller shaft (2) and the elastic clamp (4) are fixedly connected via a fixed hinge (3), and a rubber sheath (1) is provided on the outside of the roller shaft (2).

6. The surface grinder fixture according to claim 1, characterized in that: The two ends of the upper inner side of the movable adjustment plate (7) are fixedly connected to the surface grinder fixture base (12) via a fixing spring (9), the two ends of the lower inner side of the movable adjustment plate (7) are slidably connected to the surface grinder fixture base (12) via a positioning rod (16) and a positioning port (20), and the middle position of the movable adjustment plate (7) is fixedly connected to the surface grinder fixture base (12) via a width adjustment bolt (6) and a fixed threaded port (19).

Images