A milling and boring fixture for forklift gearbox

Abstract

The utility model provides a forklift gearbox housing milling and boring fixture, comprising: a clamping assembly for clamping a forklift mechanical housing to be processed, the clamping assembly comprising a fixture seat fixedly mounted on a boring and milling machine workbench, a first clamping mechanism and a second clamping mechanism being mounted on the upper portion of the fixture seat, wherein the first clamping mechanism comprises two support frames and a semicircular ring, the two support frames are vertically and fixedly mounted on the upper portion of the fixture seat, and the two ends of the semicircular ring are respectively pinned to the upper ends of the two support frames. The forklift gearbox housing milling and boring fixture provided by the utility model can fix and press one end of the forklift mechanical housing by using the two support frames and the semicircular ring to cooperate with each other, and can fix and press the other end of the forklift mechanical housing by using the pull rod, the pressure plate and the shoulder nut to cooperate with each other, and has a good fixing effect, and is more suitable for use in matching boring and milling machines to process forklift mechanical housings.

Description

Technical Field

[0001] The utility model relates to the technical field of forklift mechanical box processing, in particular to a forklift gearbox box milling and boring fixture. Background Art

[0002] The forklift gearbox case is one type of forklift mechanical case. Due to its complex structure and irregular shape, the positioning methods of each mold are not unified during the processing, and the positioning reference needs to be converted, resulting in the accumulation of positioning errors between each sequence, affecting the overall accuracy of the product.

[0003] A Chinese patent with publication (announcement) number CN210732212U discloses a fixture for intelligent production line processing of forklift gearbox cases, including a base plate with a lifting frame provided on the base plate, the lifting frame being lifted and lowered by a lifting cylinder, a plurality of case support panel clamping devices being provided on the base plate, and a positioning rod being provided at a corresponding lower position of each case support panel clamping device, and a cylindrical pin seat and a diamond pin seat being provided on the base plate that cooperate with the cylindrical pin holes and diamond pin holes of the case.

[0004] Although the above-mentioned fixture for the intelligent production line processing of forklift gearbox housings is convenient for the clamping and positioning of the intelligent production line, and has appropriate positioning accuracy and will not damage the tool, the above-mentioned fixture for the intelligent production line processing of forklift gearbox housings has a poor fixing effect on the forklift mechanical housing in actual use, and is not suitable for use with a boring and milling machine to process the forklift mechanical housing.

[0005] Therefore, a milling and boring fixture for a forklift gear box body is proposed. Utility Model Content

[0006] The utility model aims to solve the problems raised in the background technology and provides a milling and boring fixture for a gearbox body of a forklift.

[0007] The specific technical solutions are as follows:

[0008] A forklift gear box body milling and boring fixture, comprising:

[0009] A clamping assembly for clamping a forklift mechanical box to be processed, the clamping assembly comprising a clamp seat fixedly mounted on a boring and milling machine workbench, a first clamping mechanism and a second clamping mechanism being mounted on the upper portion of the clamp seat, wherein:

[0010] The first clamping mechanism includes two support frames and a semicircular ring, the two support frames are vertically and fixedly installed on the upper part of the clamp seat, and the two ends of the semicircular ring are pinned to the upper ends of the two support frames respectively;

[0011] The second clamping mechanism includes a pull rod, a pressure plate and a shoulder nut. The pull rod is vertically and fixedly installed on the upper part of the clamp seat. The upper end of the support rod is integrally provided with a screw rod. The pressure plate is mounted on the screw rod at the upper end of the support rod. The shoulder nut is threadedly mounted on the screw rod at the upper end of the support rod, and the bottom of the shoulder nut is tightly pressed against the upper part of the pressure plate.

[0012] As a preferred solution of the utility model, the bottom ends of the two support frames are fixedly mounted on the upper part of the clamp seat by a first screw, and the two ends of the semicircular ring are respectively pinned to the upper ends of the two support frames by locking pins.

[0013] As a preferred solution of the utility model, a plurality of second screws for pressing the forklift mechanical box body are equidistantly threaded on the semicircular ring.

[0014] As a preferred solution of the utility model, the second clamping mechanism also includes a washer, which is sleeved on the screw rod at the upper end of the support rod, and the washer is located between the bottom of the shoulder nut and the upper part of the pressure plate.

[0015] As a preferred solution of the utility model, a support rod is also fixedly installed on the upper part of the clamp seat. The support rod is vertically arranged, and a pillar is screwed on the upper end of the support rod. A hexagonal nut is threaded on the pillar for locking it on the upper end of the support rod.

[0016] As a preferred solution of the utility model, a boss is fixedly mounted on the upper part of the clamp seat, and at least two positioning pins for positioning the forklift mechanical box are fixedly mounted on the upper part of the boss.

[0017] As a preferred solution of the utility model, a support seat is also fixedly installed on the upper part of the clamp seat.

[0018] As a preferred solution of the present utility model, the support seat is fixedly mounted on the upper part of the clamp seat by a third screw.

[0019] The utility model has the following beneficial effects:

[0020] The forklift gear transmission case milling and boring fixture provided by the utility model is mainly composed of a clamping assembly for clamping a forklift mechanical case to be processed, and the clamping assembly is mainly composed of a clamp seat, a first clamping mechanism and a second clamping mechanism, and the first clamping mechanism is mainly composed of two support frames and a semicircular ring, and the second clamping mechanism is mainly composed of a pull rod, a pressure plate and a shoulder nut. The two support frames and the semicircular ring can be used to cooperate with each other to fix and press one end of the forklift mechanical case, and at the same time, the pull rod, the pressure plate and the shoulder nut can be used to cooperate with each other to fix and press the other end of the forklift mechanical case. The fixing effect is good, and it is more suitable for use in matching boring and milling machines to process forklift mechanical cases. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure of a forklift gearbox housing milling and boring fixture provided by an embodiment of the utility model;

[0022] Figure 2 A schematic side structural view of a forklift gear box body milling and boring fixture provided by an embodiment of the utility model.

[0023] In the attached figure:

[0024] 1. Clamp seat; 2. Positioning pin; 3. Support seat; 4. Third screw; 5. Support frame; 6. First screw; 7. Locking pin; 8. Semicircular ring; 9. Second screw; 10. Pressure plate; 11. Shoulder nut; 12. Washer; 13. Pull rod; 14. Pillar; 15. Hexagonal nut; 16. Support rod; 17. Boss; 18. Forklift mechanical box. DETAILED DESCRIPTION

[0025] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0026] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0027] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0028] In the description of the present invention, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Example

[0030] The forklift gear box body milling and boring fixture provided in this embodiment is as follows: Figure 1-Figure 2 As shown, it includes: a clamping assembly for clamping a forklift mechanical box 18 to be processed, the clamping assembly includes a clamp seat 1 fixedly mounted on the boring and milling machine workbench, and a first clamping mechanism and a second clamping mechanism are installed on the upper part of the clamp seat 1.

[0031] The first clamping mechanism includes two support frames 5 and a semicircular ring 8. The two support frames 5 are vertically and fixedly installed on the upper part of the clamp seat 1. The two ends of the semicircular ring 8 are pinned to the upper ends of the two support frames 5 respectively.

[0032] Among them, the second clamping mechanism includes a pull rod 13, a pressure plate 10 and a shoulder nut 11. The pull rod 13 is vertically and fixedly installed on the upper part of the clamp seat 1. The upper end of the support rod 16 is integrally provided with a screw. The pressure plate 10 is mounted on the screw at the upper end of the support rod 16. The shoulder nut 11 is threadedly mounted on the screw at the upper end of the support rod 16, and the bottom of the shoulder nut 11 is tightly pressed against the upper part of the pressure plate 10.

[0033] The forklift gear transmission case milling and boring fixture adopting the above technical solution is mainly composed of a clamping assembly for clamping the forklift mechanical case 18 to be processed, and the clamping assembly is mainly composed of a clamp seat 1, a first clamping mechanism and a second clamping mechanism, and the first clamping mechanism is mainly composed of two support frames 5 and a semicircular ring 8, and the second clamping mechanism is mainly composed of a pull rod 13, a pressure plate 10 and a shoulder nut 11. The two support frames 5 and the semicircular ring 8 can be used to cooperate with each other to fix and press one end of the forklift mechanical case 18, and the pull rod 13, the pressure plate 10 and the shoulder nut 11 can be used to cooperate with each other to fix and press the other end of the forklift mechanical case 18. The fixing effect is good, and it is more suitable for use with a matching boring and milling machine to process the forklift mechanical case.

[0034] Specifically, in this embodiment, the bottom ends of the two support frames 5 are fixedly mounted on the upper part of the clamp seat 1 by the first screws 6, and the two ends of the semicircular ring 8 are respectively pinned to the upper ends of the two support frames 5 by locking pins 7, so that the semicircular ring 8 is easy to disassemble and assemble.

[0035] Specifically, in this embodiment, in order to adapt to the irregular surface of the forklift mechanical box 18, a number of second screws 9 for tightening the forklift mechanical box 18 are equidistantly threaded on the semicircular ring 8. The arranged second screws 9 can be adjusted to tighten the irregular surface of the forklift mechanical box 18, and the fixing effect is better.

[0036] Specifically, in this embodiment, the second clamping mechanism also includes a washer 12, which is mounted on the screw at the upper end of the support rod 16, and the washer 12 is located between the bottom of the shoulder nut 11 and the upper part of the pressure plate 10. The washer 12 can prevent the shoulder nut 11 from loosening.

[0037] Specifically, in the present embodiment, in order to further improve the fixing effect of the forklift gear transmission case milling and boring fixture, a support rod 16 is also fixedly installed on the upper part of the fixture seat 1, the support rod 16 is vertically arranged, and the upper end of the support rod 16 is screwed with a pillar 14, and the pillar 14 is threaded with a hexagonal nut 15 for locking it to the upper end of the support rod 16. A pressure plate can also be installed on the pillar 14 to press the forklift mechanical case 18, thereby further improving the fixing effect of the forklift gear transmission case milling and boring fixture.

[0038] Specifically, in the present embodiment, in order to further improve the fixing effect of the forklift gear transmission case milling and boring fixture, a boss 17 is fixedly installed on the upper part of the fixture seat 1, and at least two locating pins 2 for positioning the forklift mechanical case 18 are fixedly installed on the upper part of the boss 17. The forklift mechanical case 18 is provided with a locating hole matching the locating pin 2. When the forklift mechanical case 18 is clamped by the first clamping mechanism and the second clamping mechanism, the locating pin 2 is inserted into the locating hole.

[0039] Specifically, in this embodiment, in order to further improve the fixing effect of the forklift gear transmission case milling and boring fixture, a support seat 3 is also fixedly installed on the upper part of the fixture seat 1, and the support seat 3 is fixedly installed on the upper part of the fixture seat 1 by a third screw 4. The provided support seat 3 is used to support the forklift mechanical case 18, so that there is as little movable gap as possible between the forklift mechanical case 18 and the upper part of the fixture seat 1, thereby further improving the fixing effect of the forklift gear transmission case milling and boring fixture.

[0040] In summary, the forklift gear box body milling and boring fixture provided in this embodiment has the following advantages:

[0041] The forklift gear transmission case milling and boring fixture can use two support frames 5 and a semicircular ring 8 to cooperate with each other to fix and press one end of the forklift mechanical case 18, and at the same time, the pull rod 13, the pressure plate 10 and the shoulder nut 11 can cooperate with each other to fix and press the other end of the forklift mechanical case 18. The fixing effect is good, and it is more suitable for use in matching boring and milling machines to process forklift mechanical cases.

[0042] When in use, place the forklift mechanical box 18 on the upper part of the clamp seat 1, then pin the two ends of the semicircular ring 8 to the upper ends of the two support frames 5 respectively, and tighten the second screw 9 on the semicircular ring 8 to press the surface of the forklift mechanical box 18, and then adjust the shoulder nut 11 so that the pressure plate 10 presses the upper part of the forklift mechanical box 18. At this time, the locating pin 2 is inserted into the locating hole, and the support seat 3 tightly presses the bottom of the forklift mechanical box 18. At this point, the forklift mechanical box 18 is stably fixed on the upper part of the clamp seat 1, and then the forklift mechanical box 18 can be processed by a boring and milling machine.

[0043] The above are only preferred embodiments of the present invention, and do not limit the implementation mode and protection scope of the present invention. Those skilled in the art should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A forklift gear box body milling and boring fixture, characterized in that: include: A clamping assembly for clamping a forklift mechanical box to be processed, the clamping assembly comprising a clamp seat fixedly mounted on a boring and milling machine workbench, a first clamping mechanism and a second clamping mechanism being mounted on the upper portion of the clamp seat, wherein: The first clamping mechanism includes two support frames and a semicircular ring, the two support frames are vertically and fixedly installed on the upper part of the clamp seat, and the two ends of the semicircular ring are pinned to the upper ends of the two support frames respectively; The second clamping mechanism includes a pull rod, a pressure plate and a shoulder nut. The pull rod is vertically and fixedly installed on the upper part of the clamp seat. The upper end of the support rod is integrally provided with a screw rod. The pressure plate is mounted on the screw rod at the upper end of the support rod. The shoulder nut is threadedly mounted on the screw rod at the upper end of the support rod, and the bottom of the shoulder nut is tightly pressed against the upper part of the pressure plate.

2. The forklift gear box body milling and boring fixture according to claim 1, characterized in that: The bottom ends of the two support frames are fixedly mounted on the upper part of the clamp seat by means of first screws, and the two ends of the semicircular ring are respectively pin-connected with the upper ends of the two support frames by means of locking pins.

3. The forklift gear box body milling and boring fixture according to claim 2, characterized in that: A plurality of second screws for pressing the forklift mechanical box body are equidistantly threaded on the semicircular ring.

4. The forklift gearbox body milling and boring fixture according to claim 1, characterized in that: The second clamping mechanism also includes a washer, which is sleeved on the screw rod at the upper end of the support rod, and the washer is located between the bottom of the shoulder nut and the upper part of the pressure plate.

5. The forklift gearbox body milling and boring fixture according to claim 4, characterized in that: A support rod is also fixedly mounted on the upper part of the clamp seat. The support rod is vertically arranged, and a pillar is screwed on the upper end of the support rod. A hexagonal nut is threadedly mounted on the pillar for locking it on the upper end of the support rod.

6. The forklift gearbox body milling and boring fixture according to claim 5, characterized in that: A boss is also fixedly mounted on the upper portion of the clamp seat, and at least two positioning pins for positioning the forklift mechanical box are fixedly mounted on the upper portion of the boss.

7. The forklift gearbox body milling and boring fixture according to claim 6, characterized in that: A support seat is also fixedly mounted on the upper portion of the clamp seat.

8. The forklift gearbox body milling and boring fixture according to claim 7, characterized in that: The support seat is fixedly mounted on the upper part of the clamp seat by a third screw.

Images