Fixing jig for high-temperature and high-pressure combination of diamond roller

Abstract

The utility model discloses a fixing jig for high-temperature and high-pressure combination of a diamond roller. The fixing jig comprises a first fixing base, a forming mechanism and a fixing mechanism. A limiting groove I is formed in the middle of the upper surface of the fixed seat I; the forming mechanism comprises an end cover, a round pipe, a cylinder and a pressing cylinder, the lower end of the cylinder is in threaded connection with the end cover, the end cover is placed in the first limiting groove, the pressing cylinder is inserted into the cylinder, the round pipe is arranged on the lower surface of the pressing cylinder, and the round pipe penetrates through a receding opening in the middle of the end cover; the fixing mechanisms are symmetrically arranged on the outer side of the cylinder and the outer side of the pressing cylinder, each fixing mechanism comprises a first lifting lug, a second lifting lug and a guide groove, and the guide grooves and the second lifting lugs which are symmetrically distributed are formed in the outer side of the cylinder. The raw materials and the fixing jig are reversely placed on the hydraulic table before high-pressure pressing, and the problem that the raw materials are loosened before high-pressure pressing is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of diamond roller manufacturing, in particular to a fixing fixture for high-temperature and high-pressure combination of diamond rollers. Background Art

[0002] Diamond roller is a high-efficiency, long-life, low-cost grinding wheel dressing tool used for special machine tools and gear grinders for large-scale forming grinding. It is characterized by simple machine operation, low technical requirements for operators, good precision consistency and stable quality of processed products, which can significantly improve production efficiency and product quality, reduce manufacturing costs, and easily realize grinding automation.

[0003] Diamond rollers are usually manufactured using a high-temperature and high-pressure method. The raw material is first placed inside the mold, then covered with an end cover and sent to a hydraulic press for high-pressure pressing, and then completely formed by sintering. However, the end cover and the mold are currently separate. In the process of sending the mold filled with raw materials into the hydraulic press, the mold may be shaken due to the worker's mistakes, resulting in loose raw materials. For this reason, we propose a high-temperature and high-pressure combination fixing fixture for diamond rollers. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a diamond roller high temperature and high pressure combination fixing fixture, which can effectively solve the problems in the background technology by placing the raw material and the fixing fixture in reverse on the hydraulic table before high pressure pressing to avoid the problem of the raw material becoming loose before high pressure pressing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a diamond roller high temperature and high pressure bonding fixing fixture, comprising a fixing seat, a molding mechanism and a fixing mechanism;

[0006] Fixed seat 1: a limiting groove 1 is provided in the middle of the upper surface thereof;

[0007] Forming mechanism: It includes an end cover, a round tube, a cylinder and a pressing cylinder. The lower end of the cylinder is threadedly connected with the end cover, the end cover is placed inside the limiting groove 1, the inside of the cylinder is plugged with the pressing cylinder, and the lower surface of the pressing cylinder is provided with a round tube, which passes through the avoidance opening in the middle of the end cover;

[0008] Fixing mechanism: It is symmetrically arranged on the outside of the cylinder and the outside of the pressing cylinder. The raw materials and the fixing jig are reversely placed on the hydraulic table before high-pressure pressing to avoid the problem of loosening of the raw materials before high-pressure pressing.

[0009] Furthermore, the fixing mechanism includes a lifting ear 1, a lifting ear 2 and a guide groove. The outer side of the cylinder is provided with a symmetrically distributed guide groove and a lifting ear 2. The outer side of the pressing cylinder is provided with a symmetrically distributed lifting ear 1. The lifting ear 1 is respectively slidably connected to the inside of the adjacent guide groove. The lifting ear 1 is respectively connected to the adjacent lifting ear 2 by bolts. The head of the bolt is located at the lower end of the lifting ear 1, so as to realize the positioning and fixation of the pressing cylinder and the cylinder.

[0010] Furthermore, evenly distributed supporting feet are provided at the upper end of the pressing cylinder, so that the pressing cylinder is more stable when placed upside down.

[0011] Furthermore, it also includes a fixing seat 2, wherein the four corners of the fixing seat 2 are provided with two symmetrically distributed mounting holes, the interior of the fixing seat 2 is provided with two limiting grooves, the shape of the limiting grooves 2 is the same as the outer contour of the whole formed by the pressing cylinder and each supporting leg, and the fixing seat 2 is placed on the right side of the fixing seat 1 to assist in loading raw materials.

[0012] Furthermore, auxiliary plates are provided at both the front and rear ends of the end cover, and the auxiliary plates are respectively located at the front and rear ends of the limiting groove 1, so as to facilitate tightening the end cover and prevent the end cover from shifting when it is turned upside down.

[0013] Furthermore, the front and rear ends of the limiting groove 1 are provided with limiting posts, and the middle of the auxiliary plate is provided with limiting holes, and the limiting posts are respectively inserted into the limiting holes to facilitate the placement of the end cover.

[0014] Furthermore, the four corners of the fixing seat 1 are provided with symmetrically distributed mounting holes 1 to facilitate the fixation of the fixing seat 1.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the diamond roller high temperature and high pressure combination fixing fixture has the following advantages:

[0016] The pressing cylinder is placed upside down inside the limiting groove 2, and the supporting feet increase the contact area between the pressing cylinder and the upper surface of the work table to make the pressing cylinder more stable. Then a cylinder is sleeved on the outside of the pressing cylinder, and the adjacent lifting ears 1 and 2 are fixed by bolts respectively. There is a molding space between the lower surface of the pressing cylinder and the lower end of the cylinder. The worker pours the principle of the diamond roller into the molding space. After the raw material fills the space, the upper end of the raw material is smoothed. Then, the auxiliary plate is held and the end cover is screwed on to fix the raw material. The cooperation between the limiting groove 2 and the supporting feet prevents the pressing cylinder and the cylinder from rotating, which is convenient for tightening the end cover and preventing the raw material from spreading. Then, the whole consisting of the end cover, the cylinder and the pressing cylinder is placed inside the limiting groove 1. The lower surface of the end cover contacts the bottom wall of the limiting groove 1. The bolts fixing the lifting ears 1 and 2 are unscrewed, and then the hydraulic press is started. The telescopic end of the hydraulic press presses down the pressing cylinder, and the pressing cylinder slides downward inside the cylinder to realize the high-pressure molding of the diamond roller. The raw material will not move relative to each other before high-pressure pressing, which is convenient for the molding of the diamond roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 It is a structural schematic diagram of a fixing seat 1 of the utility model.

[0020] In the figure: 1 fixing seat 1, 2 forming mechanism, 21 end cover, 22 round tube, 23 cylinder, 24 pressing cylinder, 3 supporting feet, 4 fixing mechanism, 41 lifting ear 1, 42 lifting ear 2, 43 guide groove, 5 auxiliary plate, 6 fixing seat 2, 7 limiting column, 8 mounting hole 1, 9 limiting groove 1, 10 mounting hole 2, 11 limiting groove 2. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 , This embodiment provides a technical solution: a diamond roller high temperature and high pressure bonding fixture, including a fixing seat 1, a molding mechanism 2 and a fixing mechanism 4;

[0023] Fixed seat 1: a limiting groove 9 is provided in the middle of its upper surface, and symmetrically distributed mounting holes 8 are provided at the four corners of the fixed seat 1;

[0024] Forming mechanism 2: It includes an end cover 21, a round tube 22, a cylinder 23 and a pressing cylinder 24. The lower end of the cylinder 23 is threadedly connected with the end cover 21, and the end cover 21 is placed inside the limiting groove 9. The pressing cylinder 24 is inserted inside the cylinder 23. The lower surface of the pressing cylinder 24 is provided with a round tube 22, and the round tube 22 passes through the avoidance opening in the middle of the end cover 21. The upper end of the pressing cylinder 24 is provided with evenly distributed supporting feet 3. The front and rear ends of the end cover 21 are provided with auxiliary plates 5, and the auxiliary plates 5 are respectively located at the front and rear ends of the limiting groove 9. The front and rear ends of the limiting groove 9 are provided with limiting columns 7. The middle part of the auxiliary plate 5 is provided with limiting holes, and the limiting columns 7 are respectively inserted into the inside of the limiting holes. The pressing cylinder 24 is placed upside down inside the limiting groove 11, and the supporting feet 3 increase the pressing cylinder 2 4 and the upper surface of the work table to make the pressing cylinder 24 more stable, and then the cylinder 23 is sleeved on the outside of the pressing cylinder 24, and the worker pours the principle of the diamond roller into the molding space, and smoothes the upper end of the raw material after the raw material fills the space, and then holds the auxiliary plate 5 to screw on the end cover 21 to fix the raw material, which is convenient for tightening the end cover 21 and prevents the raw material from spreading. Then, the whole composed of the end cover 21, the cylinder 23 and the pressing cylinder 24 is placed in the interior of the limiting groove 9, and the lower surface of the end cover 21 contacts the bottom wall of the limiting groove 9, and the bolts fixing the lifting lug 1 41 and the lifting lug 2 42 are unscrewed, and then the hydraulic press is started, and the telescopic end of the hydraulic press presses down the pressing cylinder 24, and the pressing cylinder 24 slides downward inside the cylinder 23 to realize the high-pressure molding of the diamond roller;

[0025] Fixing mechanism 4: It is symmetrically arranged on the outer side of the cylinder 23 and the outer side of the pressing cylinder 24, and the fixing mechanism 4 includes a lifting ear 41, a lifting ear 42 and a guide groove 43. The outer side of the cylinder 23 is provided with a symmetrically distributed guide groove 43 and a lifting ear 42, and the outer side of the pressing cylinder 24 is provided with a symmetrically distributed lifting ear 41. The lifting ear 41 is respectively slidably connected to the inside of the adjacent guide groove 43, and the lifting ear 41 is respectively connected to the adjacent lifting ear 42 by bolts. The head of the bolt is located at the lower end of the lifting ear 41, and the adjacent lifting ear 41 and the lifting ear 42 are fixed by bolts. A molding space is reserved between the lower surface of the pressing cylinder 24 and the lowermost end of the cylinder 23.

[0026] Wherein: it also includes a fixing seat 2 6, the four corners of which are provided with symmetrically distributed mounting holes 2 10, the interior of the fixing seat 2 6 is provided with a limiting groove 2 11, the shape of the limiting groove 2 11 is the same as the outer contour of the whole formed by the pressing cylinder 24 and each support leg 3, the fixing seat 2 6 is placed on the right side of the fixing seat 1 1, and the limiting groove 2 11 cooperates with the support leg 3 to prevent the pressing cylinder 24 and the cylinder 23 from rotating.

[0027] The working principle of a diamond roller high temperature and high pressure combination fixing fixture provided by the utility model is as follows: fix the fixing seat 26 to the upper surface of the work table through the mounting hole 210, fix the fixing seat 11 to the upper surface of the workbench of the hydraulic press through the mounting hole 18, and then put the pressing cylinder 24 upside down inside the limiting groove 211, the support leg 3 increases the contact area between the pressing cylinder 24 and the upper surface of the work table, so that the pressing cylinder 24 is more stable, and then the cylinder 23 is sleeved on the outside of the pressing cylinder 24, and the adjacent lifting ears 141 and 242 are fixed respectively by bolts, and a molding space is left between the lower surface of the pressing cylinder 24 and the lowermost end of the cylinder 23. The worker pours the raw material of the diamond roller into the molding space, and smoothes the upper end of the raw material after the raw material fills the space, and then holds the auxiliary plate 5 The end cover 21 is screwed on to fix the raw material. The cooperation between the limiting groove 11 and the support foot 3 prevents the pressing cylinder 24 and the cylinder 23 from rotating, which facilitates the tightening of the end cover 21 and prevents the raw material from spreading. Then, the whole consisting of the end cover 21, the cylinder 23 and the pressing cylinder 24 is placed into the interior of the limiting groove 9. The lower surface of the end cover 21 contacts the bottom wall of the limiting groove 9. The limiting columns 7 are respectively inserted into the interior of the limiting holes of the auxiliary plate 5 to prevent the end cover 21 from shifting during pressing. The bolts fixing the lifting ear 41 and the lifting ear 42 are unscrewed, and then the hydraulic press is started. The telescopic end of the hydraulic press presses down the pressing cylinder 24, and the pressing cylinder 24 slides downward inside the cylinder 23 to realize high-pressure forming of the diamond roller. After forming, the pressing cylinder 24 is removed by the support foot 3, and the formed diamond roller is taken out for the next sintering step.

[0028] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A diamond roller high temperature and high pressure bonding fixture, characterized in that: It comprises a fixing seat (1), a forming mechanism (2) and a fixing mechanism (4); Fixed seat 1 (1): a limiting groove 1 (9) is provided in the middle of its upper surface; The forming mechanism (2) comprises an end cover (21), a round tube (22), a cylinder (23) and a pressing cylinder (24); the lower end of the cylinder (23) is threadedly connected to the end cover (21); the end cover (21) is placed inside the first limiting groove (9); the pressing cylinder (24) is inserted into the inside of the cylinder (23); the lower surface of the pressing cylinder (24) is provided with a round tube (22); the round tube (22) passes through a relief opening in the middle of the end cover (21); The fixing mechanism (4) is symmetrically arranged on the outside of the cylinder (23) and the outside of the pressing cylinder (24).

2. A diamond roller high temperature and high pressure bonding fixture according to claim 1, characterized in that: The fixing mechanism (4) comprises a first lifting lug (41), a second lifting lug (42) and a guide groove (43); the outer side of the cylinder (23) is provided with a symmetrically distributed guide groove (43) and a second lifting lug (42); the outer side of the pressing cylinder (24) is provided with a symmetrically distributed lifting lug (41); the first lifting lug (41) is slidably connected to the inside of adjacent guide grooves (43); the first lifting lug (41) is connected to the adjacent second lifting lug (42) by bolts, and the head of the bolt is located at the lower end of the first lifting lug (41).

3. A diamond roller high temperature and high pressure bonding fixture according to claim 1, characterized in that: The upper end of the pressing cylinder (24) is provided with evenly distributed supporting feet (3).

4. A diamond roller high temperature and high pressure bonding fixture according to claim 3, characterized in that: The second fixing seat (6) is also included. The four corners of the second fixing seat (6) are provided with two symmetrically distributed mounting holes (10). The interior of the second fixing seat (6) is provided with two limiting grooves (11). The shape of the second limiting grooves (11) is the same as the outer contour of the whole formed by the pressing cylinder (24) and each support leg (3). The second fixing seat (6) is placed on the right side of the first fixing seat (1).

5. The diamond roller high temperature and high pressure bonding fixture according to claim 1, characterized in that: Auxiliary plates (5) are provided at both the front and rear ends of the end cover (21), and the auxiliary plates (5) are respectively located at the front and rear ends of the limiting groove 1 (9).

6. A diamond roller high temperature and high pressure bonding fixture according to claim 5, characterized in that: Limiting columns (7) are provided at both the front and rear ends of the limiting groove 1 (9), and limiting holes are provided in the middle of the auxiliary plate (5), and the limiting columns (7) are respectively inserted into the inside of the limiting holes.

7. The diamond roller high temperature and high pressure bonding fixture according to claim 1, characterized in that: The four corners of the fixing seat 1 (1) are provided with symmetrically distributed mounting holes 1 (8).

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