Quenching clamp

Abstract

The utility model discloses a quenching fixture, which relates to the technical field of fixtures and comprises a base, a V-shaped groove is arranged in the middle of the top surface of the base, and a limit mechanism is arranged on the base. The limiting mechanism comprises a mounting cavity formed in the base, a bidirectional lead screw is arranged in the mounting cavity, one end of the bidirectional lead screw penetrates out of the base and is fixedly connected with the rotating button, L-shaped rods in threaded connection are symmetrically arranged on the bidirectional lead screw, and the opposite sides of the L-shaped rods are connected with the clamping assembly. According to the gear clamping device, the limiting mechanism is arranged, the rotating button is rotated, the two-way lead screw drives the L-shaped rod on the two-way lead screw to move towards the two sides under the action of the guide rod, then the round rod is extruded, the inclination angle of the movable rod is changed under the action of the connecting base, the push rod drives the clamping blocks to move in the opposite direction, and clamping of various gears of different specifications is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a quenching clamp. Background Art

[0002] Workpiece quenching is a way of heat treatment of workpieces. The purpose of quenching is to improve the rigidity, hardness and toughness of the workpiece, so that the workpiece can meet various use requirements. When quenching, the corresponding fixture should be selected according to the corresponding workpiece for clamping and quenching. For example, a tooling fixture for gear quenching recorded in the patent announcement number CN212947398U, in which the scheme recorded can realize quenching of gears of different sizes by matching large arc clamps, small arc clamps and bases, which can effectively improve the efficiency of quenching work and reduce the labor intensity of workers. At the same time, the fixture can be installed in the quenching furnace for quenching, so that the gear surface is heated evenly and the gear quenching quality is improved. However, the scheme in this case needs to select and use large arc clamps and small arc clamps according to the size of the quenched gear, and the specifications of the gears that can be clamped are limited.

[0003] Based on this, a quenching fixture is now provided, which can eliminate the disadvantages of the existing device. Utility Model Content

[0004] The utility model aims to provide a quenching fixture to solve the problem in the background technology that gears of various specifications cannot be clamped.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A quenching fixture comprises a base, a V-shaped groove is arranged in the middle of the top surface of the base, and a limiting mechanism for fixing and clamping gears of different specifications is arranged on the base.

[0007] Preferably, the limiting mechanism includes an installation cavity arranged inside the base, a bidirectional screw rod is arranged inside the installation cavity, one end of the bidirectional screw rod extends through the base and is fixedly connected to the rotating button, and a threaded L-shaped rod is symmetrically arranged on the bidirectional screw rod, and the opposite side of the L-shaped rod is connected to the clamping assembly.

[0008] Preferably, the clamping assembly includes a fixed block, which is symmetrically provided with two fixed blocks and are respectively fixedly connected to the left and right side walls of the base, a movable cavity is provided inside the fixed block, the opposite side of the L-shaped rod is fixedly connected to one end of the round rod, and the other end of the round rod penetrates the side wall of the base and extends into the movable cavity, a rotating seat and a push rod are sequentially provided above the round rod, the rotating seat is fixedly connected to the base, the push rod is slidably connected to the fixed block, one end of the push rod penetrates and extends out of the fixed block and is fixedly connected to the clamping block, a movable rod is provided in the movable cavity, both ends of the movable rod are fixedly connected to a connecting seat, two connecting grooves are symmetrically provided on the connecting seat, the connecting grooves are slidably connected to both ends of the connecting rod, the connecting rod is provided with two fixed connections to the round rod and the end of the push rod, and the middle position of the movable rod is rotatably connected to the rotating seat.

[0009] Preferably, the L-shaped rod is slidably connected to the guide rod, and both ends of the guide rod are fixedly connected to the base.

[0010] Preferably, bearings are provided at both ends of the bidirectional screw rod.

[0011] Preferably, a spring is sleeved on the outer surface of one end of the push rod that is away from the other end, and two ends of the spring are respectively fixedly connected to the fixed block and the limit plate, and the limit plate is fixedly connected to the push rod.

[0012] Preferably, the top surfaces of the two fixing blocks are fixedly connected to the handles.

[0013] Preferably, two groups of fixing holes are symmetrically provided at the protruding portions on the left and right sides of the bottom end of the base.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] The present application realizes that by rotating the rotating knob, the two-way screw drives the L-shaped rod thereon to move to both sides under the action of the guide rod, thereby squeezing the round rod, and changing the inclination angle of the movable rod under the action of the connecting seat, and the push rod drives the clamping block to move toward each other, thereby realizing the clamping of gears of various specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0018] Figure 3 This is a schematic diagram of the internal structure of the installation cavity of the utility model.

[0019] Figure 4 It is a schematic diagram of the internal structure of the active cavity of the utility model.

[0020] Notes on figure marks: base 101, V-shaped groove 102, handle 103, fixing hole 104, limiting mechanism 200, installation cavity 201, fixing block 202, movable cavity 203, bidirectional screw rod 204, L-shaped rod 205, round rod 206, guide rod 207, bearing 208, rotating button 209, connecting rod 210, connecting seat 211, connecting groove 212, rotating seat 213, push rod 214, spring 215, clamping block 216, movable rod 217. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] Example 1

[0023] See also Figure 1-Figure 4 A quenching fixture includes a base 101, a V-shaped groove 102 is provided in the middle of the top surface of the base 101, and a limiting mechanism 200 for fixing and clamping gears of different specifications is provided on the base 101.

[0024] See also Figure 2 The limiting mechanism 200 includes an installation cavity 201 arranged inside the base 101, and a bidirectional screw rod 204 is arranged inside the installation cavity 201. One end of the bidirectional screw rod 204 extends through the base 101 and is fixedly connected to a rotating button 209. The rotating button 209 is rotated to drive the bidirectional screw rod 204 to rotate. The bidirectional screw rod 204 is symmetrically provided with a threaded L-shaped rod 205. The L-shaped rod 205 threaded on the bidirectional screw rod 204 moves toward or away from each other, and the opposite side of the L-shaped rod 205 is connected to the clamping assembly.

[0025] See also Figure 2-Figure 4The clamping assembly includes a fixed block 202, two of which are symmetrically provided and respectively fixedly connected to the left and right side walls of the base 101, an active cavity 203 is provided inside the fixed block 202, the opposite side of the L-shaped rod 205 is fixedly connected to one end of a round rod 206, the other end of the round rod 206 penetrates the side wall of the base 101 and extends into the active cavity 203, a rotating seat 213 and a push rod 214 are provided above the round rod 206 in sequence, the rotating seat 213 is fixedly connected to the base 101, the push rod 214 is slidably connected to the fixed block 202, one end of the push rod 214 penetrates and extends out of the fixed block 202 and is fixedly connected to the clamping block 216, and the push rod 214 pushes the clamping block 216 to move inward , the clamping block 216 realizes the clamping of the gear, and a movable rod 217 is provided in the movable cavity 203. The two ends of the movable rod 217 are fixedly connected with a connecting seat 211, and two connecting grooves 212 are symmetrically provided on the connecting seat 211. The connecting grooves 212 are slidingly connected to the two ends of the connecting rod 210, and the connecting rod 210 is provided with two ends fixedly connected to the round rod 206 and the push rod 214 respectively. The middle position of the movable rod 217 is rotatably connected to the rotating seat 213, and the round rod 206 moves outward, exerting a force on the lower end of the movable rod 217. With the cooperation of the connecting seat 211 rotatably connected in the middle position, the upper end of the movable rod 217 is driven to tilt inward, thereby pushing the push rod 214 to move inward.

[0026] Example 2

[0027] The difference from Example 1 is that please refer to Figure 2-Figure 3 The L-shaped rod 205 is slidably connected to the guide rod 207. The guide rod 207 is provided to provide a guide for the movement of the L-shaped rod 205, and the movement is smoother. Both ends of the guide rod 207 are fixedly connected to the base 101.

[0028] See also Figure 2-Figure 3 Bearings 208 are provided at both ends of the bidirectional screw rod 204 . The arrangement of the bearings 208 facilitates the smooth rotation of the bidirectional screw rod 204 .

[0029] See also Figure 4 A spring 215 is sleeved on the outer surface of one end of the push rod 214 that is away from each other. The setting of the spring 215 allows a certain elastic buffer when clamping. The spring 215 is arranged inside the active cavity 203 to avoid direct contact with the high temperature of quenching, thereby preventing it from losing its elastic force. The two ends of the spring 215 are respectively fixedly connected to the fixed block 202 and the limit plate, and the limit plate is fixedly connected to the push rod 214.

[0030] See also Figure 1 The top surfaces of the two fixing blocks 202 are fixedly connected to the handles 103, and the arrangement of the handles 103 facilitates taking the clamp.

[0031] See also Figure 1 Two groups of fixing holes 104 are symmetrically arranged at the protrusions on the left and right sides of the bottom end of the base 101. The setting of the fixing holes 104 facilitates the fixed connection between the base 101 and the quenching furnace.

[0032] When in use, the gear to be quenched is placed in the V-groove 102 above the base 101, and then the rotating knob 209 is turned, the bidirectional screw 204 rotates, and the L-shaped rod 205 threaded thereon moves to both sides under the guidance of the guide rod 207, pushing the round rod 206, and then the round rod 206 transmits the force to the lower end of the movable rod 217. With the cooperation of the connecting rod 210, the connecting seat 211, the connecting groove 212 and the rotating seat 213, the movable rod 217 drives the upper end to move inward, and then pushes the push rod 214 to drive the clamping block 216 to move inward, thereby clamping the gear. It can be suitable for gears of various specifications, is easy to adjust, and has a wide range of applications.

[0033] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A quenching fixture, comprising a base (101), wherein a V-shaped groove (102) is provided in the middle of the top surface of the base (101), characterized in that: The base (101) is provided with a limiting mechanism (200) for fixing and clamping gears of different specifications; The limiting mechanism (200) comprises an installation cavity (201) arranged inside the base (101), a bidirectional screw rod (204) is arranged inside the installation cavity (201), one end of the bidirectional screw rod (204) extends through the base (101) and is fixedly connected to the rotating button (209), and a threaded L-shaped rod (205) is symmetrically arranged on the bidirectional screw rod (204), and the opposite side of the L-shaped rod (205) is connected to the clamping assembly; The clamping assembly comprises a fixed block (202), wherein two fixed blocks (202) are symmetrically provided and respectively fixedly connected to the left and right side walls of the base (101), an active cavity (203) is provided inside the fixed block (202), the opposite side of the L-shaped rod (205) is fixedly connected to one end of a round rod (206), the other end of the round rod (206) penetrates the side wall of the base (101) and extends into the active cavity (203), and a rotating seat (213) and a push rod (214) are provided above the round rod (206) in sequence, the rotating seat (213) is fixedly connected to the base (101), and the push rod (214) is connected to the fixed block (203). 02) sliding connection, one end of the push rod (214) extends through the fixed block (202) and is fixedly connected to the clamping block (216), a movable rod (217) is provided in the movable cavity (203), both ends of the movable rod (217) are fixedly connected to a connecting seat (211), two connecting grooves (212) are symmetrically provided on the connecting seat (211), the connecting grooves (212) are slidingly connected to both ends of the connecting rod (210), the connecting rod (210) is provided with two ends fixedly connected to the round rod (206) and the end of the push rod (214), and the middle position of the movable rod (217) is rotatably connected to the rotating seat (213).

2. A quenching fixture according to claim 1, characterized in that: The L-shaped rod (205) is slidably connected to the guide rod (207), and both ends of the guide rod (207) are fixedly connected to the base (101).

3. A quenching fixture according to claim 1, characterized in that: Bearings (208) are provided at both ends of the bidirectional screw rod (204).

4. A quenching fixture according to claim 1, characterized in that: A spring (215) is sleeved on the outer surface of the opposite end of the push rod (214), and the two ends of the spring (215) are respectively fixedly connected to the fixed block (202) and the limit plate, and the limit plate is fixedly connected to the push rod (214).

5. A quenching fixture according to claim 1, characterized in that: The top surfaces of the two fixing blocks (202) are fixedly connected to the handle (103).

6. A quenching fixture according to claim 1, characterized in that: Two groups of fixing holes (104) are symmetrically provided at the protruding portions on the left and right sides of the bottom end of the base (101).

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