Jig for one-time machining of fixed clamp

Abstract

The utility model provides a jig for one-time processing of a fixed clamp, which comprises a base, a positioning seat, a locking device and a jacking device, the back of the base is provided with a first avoiding hole for processing the back of the fixed clamp, and the positioning seat is arranged on the base and is used for placing and positioning the fixed clamp; the locking device is arranged on the base and is used for pressing the fixed clamp onto the positioning seat; the jacking device is arranged on the base and is used for jacking the fixed clamp to the positioning seat; and the locking device is matched with the jacking device to fix or limit the fixed clamp on the positioning seat. The positioning seat is used for positioning the fixed clamp, the locking device is matched with the jacking device to fix or limit the fixed clamp, and meanwhile, the back face of the fixed clamp can be machined through the first receding hole, so that the front face and the back face of the fixed clamp can be machined at a time through one-time clamping; and the working intensity of operators is relieved, and meanwhile the machining cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of processing fixtures for fixed calipers, in particular to a fixture for one-time processing of fixed calipers. Background Art

[0002] The structure of the old fixed caliper fixture cannot complete all processing procedures at one time, and it is necessary to break down into multiple processes and multiple sets of fixtures to process product dimensions; the operation is frequent, which is likely to cause waste of production resources and increase the fatigue of operators, etc., thus invisibly increasing the production cost, and it no longer conforms to the planning direction of the company's lean production in terms of cost consideration for the enterprise development.

[0003] In view of this, the inventor has specifically designed a fixture for one-time processing of fixed calipers, and this case is thus generated. Summary of the Utility Model

[0004] The utility model aims to at least solve one of the technical problems existing in the prior art. For this reason, an object of the utility model is to provide a fixture for one-time processing of fixed calipers. By providing a positioning seat for positioning the fixed caliper, and a locking device cooperating with a jacking device for fixing or restricting the fixed caliper, it is convenient for subsequent one-time processing of the fixed caliper, overcoming the disadvantages brought about by the current inability to perform one-time processing.

[0005] A fixture for one-time processing of fixed calipers according to the utility model includes:

[0006] A base, a first avoidance hole for processing the back surface of the fixed caliper is arranged on the back surface of the base;

[0007] A positioning seat, the positioning seat is arranged on the base and is used for placing and positioning the fixed caliper;

[0008] A locking device, the locking device is arranged on the base and is used for pressing the fixed caliper onto the positioning seat;

[0009] A jacking device, the jacking device is arranged on the base and is used for jacking the fixed caliper onto the positioning seat;

[0010] The locking device and the jacking device cooperate to fix or restrict the fixed caliper on the positioning seat.

[0011] The fixture for one-time processing of fixed calipers of the utility model provides a positioning seat for positioning the fixed caliper, and a locking device cooperating with a jacking device for fixing or restricting the fixed caliper. By using the first avoidance hole, the back surface of the fixed caliper can be processed. Therefore, the front and back surfaces of the fixed caliper can be processed at one time with one clamping, reducing the working intensity of the operator and the processing cost at the same time.

[0012] In some embodiments of the present utility model, an installation position is provided on the base, and the positioning seat is installed on the installation position.

[0013] In some embodiments of the present utility model, two installation positions are provided on the base, and two corresponding positioning seats are provided.

[0014] In some embodiments of the present utility model, the positioning seat includes a bottom plate, a first positioning member disposed on the bottom plate and used for positioning the bottom of the fixed clamp, and a second positioning member disposed on the bottom plate and used for positioning the side wall of the fixed clamp; a second avoidance hole for processing the back surface of the fixed clamp is provided on the bottom plate.

[0015] In some embodiments of the present utility model, three first positioning members are provided, and two second positioning members are provided.

[0016] In some embodiments of the present utility model, at least one locking device is provided, and includes a locking cylinder, a pressing rod with an end disposed at the output end of the locking cylinder and rotatably connected to the output end, and a connecting rod with one end rotatably connected to the locking cylinder and the other end rotatably connected to the pressing rod.

[0017] In some embodiments of the present utility model, a support step for rotatably connecting with the connecting rod is provided on the locking cylinder, and two connecting rods are provided and are respectively located on both sides of the support step and the pressing rod.

[0018] In some embodiments of the present utility model, at least one pressing device is provided, and is adjustably connected to the base.

[0019] In some embodiments of the present utility model, the pressing device includes a pressing seat disposed on the base and slidably connected to the base, a pressing cylinder disposed on the pressing seat, a slider disposed on the base and slidably connected to the base, a sliding groove for the slider to slide is provided on the base, and the pressing seat and the slider are threadedly connected through a bolt.

[0020] In some embodiments of the present utility model, at least one sliding device is provided on the bottom plate corresponding to one of the installation positions.

[0021] In some embodiments of the present utility model, the sliding device includes a mounting plate embedded in the base, and rollers disposed on the mounting plate and rotatably connected to the mounting plate.

[0022] In some embodiments of the present utility model, two avoidance grooves are provided on the mounting plate along the long axis direction of the installation position, a plurality of the rollers are arranged in parallel in both of the avoidance grooves, and the rollers are disposed on the mounting plate through a connecting shaft. Description of the Drawings

[0023] The accompanying drawings described herein are used to provide a further understanding of the present utility model and constitute a part of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation of the present utility model.

[0024] Among them:

[0025] Figure 1 is a schematic structural diagram of the fixture for one-time processing of the present utility model;

[0026] Figure 2 is a partial schematic diagram of the fixture for one-time processing of the present utility model;

[0027] Figure 3 is a schematic structural diagram of the positioning seat of the present utility model;

[0028] Figure 4 is the present utility model Figure 3 partial enlarged view;

[0029] Figure 5 is a schematic structural diagram of the locking device of the present utility model;

[0030] Figure 6 is a schematic structural diagram of the jacking device of the present utility model;

[0031] Figure 7 is another schematic structural diagram of the fixture for one-time processing of the present utility model;

[0032] Figure 8 is the present utility model Figure 7 partial enlarged view.

[0033] Label description:

[0034] 01, fixed clamp; 10, base; 11, first avoidance hole; 12, installation position; 13, chute; 20, positioning seat; 21, bottom plate; 211, second avoidance hole; 22, first positioning member; 221, support portion; 23, second positioning member; 30, locking device; 31, locking cylinder; 311, support step; 32, pressing rod; 33, connecting rod; 40, jacking device; 41, jacking seat; 42, jacking cylinder; 43, slider; 44, rubber pad; 50, sliding device; 51, mounting plate; 511, avoidance groove; 52, roller. Detailed implementation manners

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0036] See also Figures 1 to 8 , which is a jig for one-time processing of a fixed clamp as the best embodiment of the utility model, includes a base 10, a positioning seat 20, a locking device 30, and a tightening device 40. A first avoidance hole 11 for processing the back of a fixed clamp 01 is provided on the back of the base 10. The positioning seat 20 is provided on the base 10 and is used to place and position the fixed clamp 01; the locking device 30 is provided on the base 10 and is used to press the fixed clamp 01 onto the positioning seat 20; the tightening device 40 is provided on the base 10 and is used to tighten the fixed clamp 01 onto the positioning seat 20; the locking device 30 cooperates with the tightening device 40 to fix or restrict the fixed clamp 01 on the positioning seat 20. The utility model is a jig for one-time processing of a fixed clamp 01, which is used to position the fixed clamp 01 by setting a positioning seat 20, and is used to fix or limit the fixed clamp 01 through a locking device 30 and a tightening device 40. The back side of the fixed clamp 01 can be processed by using the first avoidance hole 11. Therefore, the front and back sides of the fixed clamp 01 (the positions processed on the front and back sides include the surface and the hole positions, and specifically, the surface can be processed first and then the hole positions, and the surface portion can be a local end face or a local raised side wall) can be processed at one time by clamping once, which reduces the workload of the operator and reduces the processing cost.

[0037] Please refer to Figure 2 The base 10 is provided with a mounting position 12, and the positioning seat 20 is installed on the mounting position 12; two mounting positions 12 are provided on the base 10, and two corresponding positioning seats 20 are provided. By providing two mounting positions 12 and positioning seats 20, two fixed clamps 01 can be processed at the same time, and two fixed clamps 01 can be processed in one clamping, which can improve the processing efficiency.

[0038] Please refer to Figure 3 , 4 The positioning seat 20 includes a bottom plate 21, a first positioning member 22 disposed on the bottom plate 21 and used to position the bottom of the fixed clamp 01, and a second positioning member 23 disposed on the bottom plate 21 and used to position the side wall of the fixed clamp 01; a second avoidance hole 211 for processing the back of the fixed clamp 01 is disposed on the bottom plate 21, three first positioning members 22 are disposed, and two second positioning members 23 are disposed. The bottom plate 21 can be installed on the installation position 12 by screws in combination with positioning columns; an external thread is disposed below the first positioning member 22 for directly screwing the first positioning member 22 onto the bottom plate 21, and two vertical plane portions are disposed on the side wall above the first positioning member 22 for installing or removing the first positioning member 22, and the second positioning seat 20 can be directly locked on the bottom plate 21 by screws. A plurality of support portions 221 are also disposed on the upper end surface of the first positioning member 22, and the support portions 221 are prism-shaped and are evenly spaced and distributed over the entire upper end surface of the first positioning member 22.

[0039] Please refer to Figure 5, at least one locking device 30 is provided, and it includes a locking cylinder 31, a pressing rod 32 with its end disposed at the output end of the locking cylinder 31 and rotatably connected to the output end, and a connecting rod 33 with one end rotatably connected to the locking cylinder 31 and the other end rotatably connected to the pressing rod 32; a supporting step 311 for rotatably connecting with the connecting rod 33 is provided on the locking cylinder 31, and two connecting rods 33 are provided and are respectively located on both sides of the supporting step 311 and the pressing rod 32. Four groups of the locking devices 30 of the present utility model are provided and arranged according to the specific structure of the product to ensure that the fixed clamp 01 can be pressed; the connection between the pressing rod 32 and the output end of the locking cylinder 31, the connection between the connecting rod 33 and the supporting step 311, and the connection between the connecting rod 33 and the pressing rod 32 are all connected by a rotating shaft to achieve rotation. At the same time, annular grooves are provided at both ends of the rotating shaft to facilitate the embedding of C-type fasteners.

[0040] For details, please refer to Figure 6 , at least one pressing device 40 is provided and is adjustably connected to the base 10; the pressing device 40 includes a pressing seat 41 disposed on the base 10 and slidably connected to the base 10, a pressing cylinder 42 disposed on the pressing seat 41, and a slider 43 disposed on the base 10 and slidably connected to the base 10. A sliding groove 13 for the slider 43 to slide is provided on the base 10, and the slider 43 and the pressing seat 41 are threadedly connected through a bolt. The slider 43 is in a T shape, and the shape of the sliding groove 13 is adapted to the shape of the slider 43. When the position of the pressing seat 41 needs to be adjusted, the bolt is loosened, and then the pressing seat 41 can be pushed to drive the slider 43 to move along the long axis direction of the sliding groove 13. After moving in place, the bolt is locked. Two sliding grooves 13 are correspondingly provided for one pressing seat 41, so two sliders 43 are provided. At the same time, any one slider 43 is screwed with two bolts. When the pressing seat 41 is adjusted in place, it can be locked by four bolts to better limit or fix the pressing seat 41 on the base 10. At the same time, in order to prevent the fixed clamp 01 from being damaged, a rubber pad 44 is provided at the output end of the locking cylinder 31. Preferably, the pressing cylinder 42 can be correspondingly provided with the second positioning member 23, that is, the number of pressing cylinders 42 can be the same as the number of the second positioning members 23, and both are provided with two, which are used to press one side wall of the fixed clamp 01 so that the other side wall of the fixed clamp 01 closely adheres to the inner side wall of the second positioning member 23. The inner side wall of the second positioning member 23 is provided with an arc-shaped structure corresponding to the shape of the fixed clamp 01.

[0041] For details, please refer to Figure 7 , 8In order to improve the replacement efficiency of the positioning seat 20 or facilitate the replacement of the positioning seat 20, at least one sliding device 50 is provided on the bottom plate 21 corresponding to one mounting position 12. The sliding device 50 facilitates the positioning seat 20 to be pushed or moved to the mounting position 12. At the same time, when the positioning seat 20 needs to be replaced, it is convenient to move the positioning seat 20 out of the mounting position 12. Corresponding to two mounting positions 12, four sets of sliding devices 50 can be provided. The sliding device 50 includes a mounting plate 51 embedded in the base 10, and a roller 52 provided on the mounting plate 51 and rotatably connected to the mounting plate 51. The highest point of the roller 52 is higher than the upper end surface of the mounting plate 51, and the highest point of the roller 52 is located in the same plane as the mounting position 12, or the highest point of the roller 52 is slightly higher than the mounting position 12. Two avoidance grooves 511 are provided on the mounting plate 51 along the long axis direction of the mounting position 12, and a plurality of rollers 52 are arranged side by side in the two avoidance grooves 511, and the rollers 52 are provided on the mounting plate 51 through a connecting shaft.

[0042] The working principle of the one-time processing of the utility model is as follows:

[0043] First, select the positioning seat 20 according to the model of the fixed clamp 01, and install the positioning seat 20 on the installation position 12 by screws and positioning columns, and install the corresponding locking device 30 (according to Figure 1 The three locking devices 30 located at the bottom are defined as: left special-shaped clamping device, left middle special-shaped clamping device, right special-shaped clamping device, and the locking device 30 located at the top is defined as: right middle special-shaped clamping device) and a clamping device 40, and then the qualified fixed clamp 01 is placed on the positioning seat 20, and the base 10 is installed on the machine tool, the four locking devices 30 and the two clamping devices 40 are started, and they move forward slowly, and fix after contacting the fixed clamp 01. Finally, check and exclude whether each point is close, whether there is looseness and inequality. After determining that it is qualified, import the program to process the front and back process dimensions of the product one by one. After the front and back processing is completed, open the automatic clamp to withdraw the pressure rod and the side push rod, and take out the processed fixed clamp 01.

[0044] To sum up, the utility model is a jig for one-time processing of a fixed clamp, which is used to position the fixed clamp by arranging a positioning seat, and is used to fix or limit the fixed clamp through a locking device and a tightening device. The back side of the fixed clamp can be processed by utilizing the first avoidance hole, so the front and back sides of the fixed clamp can be processed at one time with one clamping. Therefore, it has the following advantages: First, after the improvement, the lane changing time can be effectively shortened and the production efficiency can be improved; second, the scrap rate of machine adjustment can be reduced and the production cost can be saved; third, the operation of the jig is simple and easy to understand, which reduces the workload of personnel; fourth, the operating safety is improved and the possibility of work-related injuries is reduced.

[0045] The above has given an exemplary description of the present utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above-mentioned manner. As long as various non-substantive improvements are made by adopting the method concept and technical solution of the present utility model, or the concept and technical solution of the present utility model are directly applied to other occasions without improvement, they are all within the protection scope of the present utility model.

Claims

1. A fixture for one-time processing of fixed clamps, characterized in that: include: A base, wherein a first avoidance hole for processing the back side of the fixed clamp is provided on the back side of the base; A positioning seat, which is arranged on the base and is used to place and position the fixed clamp; A locking device, which is disposed on the base and is used to press the fixed clamp onto the positioning seat; A tightening device, which is arranged on the base and is used to tighten the fixed clamp onto the positioning seat; The locking device cooperates with the tightening device to fix or restrict the fixed clamp on the positioning seat.

2. The one-time processing jig according to claim 1, characterized in that: A mounting position is arranged on the base, and the positioning seat is mounted on the mounting position.

3. The one-time processing jig according to claim 2, characterized in that: The positioning seat includes a base plate, a first positioning piece arranged on the base plate and used to position the bottom of the fixed clamp, and a second positioning piece arranged on the base plate and used to position the side wall of the fixed clamp; a second avoidance hole for processing the back side of the fixed clamp is arranged on the base plate.

4. The one-time processing jig according to claim 1, characterized in that: The locking device is provided with at least one, and comprises a locking cylinder, a clamping rod whose end is arranged at the output end of the locking cylinder and is rotatably connected to the output end, and a connecting rod whose one end is rotatably connected to the locking cylinder and the other end is rotatably connected to the clamping rod.

5. The one-time processing jig according to claim 4, characterized in that: The locking cylinder is provided with a supporting step for rotationally connecting with a connecting rod, and two connecting rods are provided and are respectively located on both sides of the supporting step and the pressing rod.

6. The one-time processing jig according to claim 1, characterized in that: At least one tightening device is provided and is adjustably connected to the base.

7. The one-time processing jig according to claim 6, characterized in that: The tightening device includes a tightening seat arranged on the base and slidably connected to the base, a tightening cylinder arranged on the tightening seat, and a slider arranged on the base and slidably connected to the base. The base is provided with a sliding groove for sliding of the slider, which is threadedly connected to the slider through a bolt passing through the tightening seat.

8. The one-time processing jig according to claim 3, characterized in that: At least one sliding device is arranged on the bottom plate corresponding to one of the installation positions.

9. The one-time processing jig according to claim 8, characterized in that: The sliding device comprises a mounting plate embedded in the base, and a roller disposed on the mounting plate and rotatably connected to the mounting plate.

10. The one-time processing jig according to claim 9, characterized in that: Two avoidance grooves are arranged on the installation plate along the long axis direction of the installation position, and a plurality of rollers are arranged side by side in the two avoidance grooves. The rollers are arranged on the installation plate through connecting shafts.

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